The natural resources of Nineveh.
Heavy oil at Qayyarah (around 800 million barrels of reserves), the world's largest known sulfur deposit at Mishraq (600 million tons), the Tigris flowing through the heart of the province, the strategic Mosul Dam, the Jazira rain-fed wheat belt, large limestone and gypsum reserves, and the asymmetric anticline of the Sinjar Mountains — Nineveh is one of Iraq's most resource-rich provinces. The challenge has rarely been what is in the ground; it has been what is done with it.
The natural-resource endowment of Nineveh is unusual in several respects. The province contains one of Iraq's principal heavy-oil fields, the world's largest known reserves of a strategic industrial mineral (sulfur), one of the country's most fertile rain-fed agricultural belts, the largest dam in Iraq, a substantial fraction of the country's limestone and gypsum reserves, a type locality for a mineral first discovered there (sinjarite, a hygroscopic calcium chloride), and a mountain range — the Sinjar — that forms one of the few topographic and biotic refuges in the Iraqi-Syrian steppe. This entry surveys these resources, the constraints that have prevented their full use, and the trajectory of their development since 2017.
The resource picture is, however, also one of substantial damage and lost ground. The 2014–2017 Daesh occupation damaged oil infrastructure (treated in Economy, § ii), set fires at the Mishraq sulfur plant, disrupted agricultural production in the Jazira (Weather, § v; Economy, § iii), and damaged the broader environmental and ecological base. The upstream water restrictions on the Tigris from Turkey (Weather, § iv–v) have substantially reduced Nineveh's effective water resource. Climate change is reducing rainfall, increasing evapotranspiration, and lengthening dry seasons. Resource governance — at federal, provincial and local levels — has not always been adequate to the scale of what the province possesses. This entry treats the inventory and the challenges in turn.
i. Geological setting and resource overview
Nineveh's geology (treated in detail in Geology, § i–iv) provides the foundation for almost all the province's natural-resource endowment. The Tigris valley lies at the southern margin of the Foothills Zone of the Zagros foreland basin; the Jazira occupies the Stable Shelf to the southwest; the Sinjar Mountains, the Maqlub and Bashiqa anticlines, and the smaller folds across the northeastern districts represent local expressions of the wider Zagros deformation. The result is a geological framework in which the principal Cretaceous, Paleogene and Neogene sedimentary formations of northern Iraq are exposed and accessible: limestones, marls, gypsum, and the petroleum-bearing rocks of the Tertiary and Cretaceous systems.
The province sits within the broader Iraqi context of one of the world's principal hydrocarbon endowments. Iraq holds the world's fifth-largest proven crude-oil reserves at approximately 147.22 billion barrels at end-2017 (subsequently revised upward to 145 billion barrels in some later inventories), with Nineveh contributing the Qayyarah heavy-oil field and several smaller fields to that total. Iraq is also one of the world's most prominent producers of sulfur, with the Mishraq mine in Nineveh holding the largest known reserves globally. The combination of these two endowments — oil and sulfur — has made Nineveh one of the most strategically significant resource provinces in Iraq, though both are concentrated in the same Qayyarah-Mishraq corridor in the south-central part of the governorate.
Beyond hydrocarbons and sulfur, the principal non-metallic resources of Nineveh are limestone (the Eocene Sinjar Limestone Formation in particular, identified as a strategic resource for the cement industry of northern Iraq), gypsum (from the Fatha Formation, with thick beds in the Folded Zone), marble (locally quarried, particularly used in heritage restoration in Mosul Old City), and silica sand (with deposits across northern Iraq more broadly). Metallic resources in Nineveh proper are limited; the principal metallic deposits of northern Iraq are in the Kurdistan Region (zinc-lead, chromium-nickel, iron, manganese, copper), east and north of Nineveh's borders.
A unique mineralogical feature of Nineveh is sinjarite, a calcium chloride hexahydrate mineral that forms ephemerally in the wadis of the Sinjar district after wet-season rains and was first described there. Sinjarite is hygroscopic and dissolves or transforms with humidity changes — a curiosity of mineralogy that has Nineveh as its global type locality (Aljubouri and Aldabbach, 1980).
ii. Hydrocarbons: oil and gas
The principal hydrocarbon assets of Nineveh are described in Economy, § ii. They are summarised here for completeness. The Qayyarah field (Arabic al-Qayyāra), approximately 20 km south of Mosul on the west bank of the Tigris, has approximately 800 million barrels of estimated reserves of heavy oil. The field was discovered in the 1930s by British Oil Development Company and produced at modest levels through the 20th century. In December 2009 the development rights were awarded in Iraq's second petroleum licensing round to the Angolan national oil company Sonangol, with a 75% share and the Iraqi state's Northern Oil Company holding 25%; Sonangol committed to a production plateau of 110,000 barrels per day in exchange for $6 per barrel from the Iraqi government. Production was halted in March 2020 and resumed in May 2023 after a three-year stoppage; current production is approximately 33,000 bpd, with plans to scale toward the contractual plateau in the coming years. As of March 2025, the Iraqi Drilling Company had completed the first of 13 new wells under the Sonangol contract.
The Najmah field nearby remains undeveloped. The Ain Zalah field in northwestern Nineveh near the Syrian border has produced at a smaller scale since the mid-twentieth century. The Qayyarah-1 refinery, operated by the Iraqi state-owned North Refineries Company, processes approximately 3,000 bpd of Qayyarah crude for local distribution; capital expenditure of approximately $891.8 million is forecast across 2021–2025, with planned capacity expansion to 90,000 bpd by 2030. The new Nineveh refinery, a 70,000 bpd facility under construction by SEAB (Sweden) and Limak (Turkey) under a 2025 head-of-agreement with the Northern Oil Company, will roughly triple Nineveh's refining capacity when complete.
The Qayyarah Combined-Cycle Power Station, launched for construction in July 2025 by Prime Minister al-Sudani, will add 375 MW to the station's total output of 1,125 MW. The Qayyarah Gas Plant's conversion from simple-cycle to combined-cycle operation was approved in February 2025, with the contract awarded to ARGAN INT. Natural gas production in Nineveh is currently associated gas from the oil fields rather than dry gas from independent gas fields; the development of associated-gas capture and use is part of the Iraqi national flaring-reduction programme but remains incomplete in Nineveh as in the wider Iraqi oil sector.
Crucially for the province, the Kirkuk–Ceyhan pipeline, which carries Kirkuk-region crude across Nineveh territory to the Turkish Mediterranean port of Ceyhan, has been closed since March 2023 following an International Chamber of Commerce ruling against Turkey in a dispute brought by the Iraqi federal government over unauthorized Kurdish exports. Technical and contractual discussions on reopening continued through 2024–2025 but remain unresolved at the time of writing.
iii. Sulfur, limestone, gypsum and other minerals
The Mishraq sulfur deposit in the Qayyarah area is the province's most distinctive non-hydrocarbon natural resource. With approximately 600 million tons of estimated reserves, Mishraq is the largest known sulfur deposit in the world. The State Company for Mishraq Sulfur was established in 1969 and production began in late 1971, using the Frasch process to extract subterranean sulfur from rock layers at depths of 120–200 metres. The plant had an annual sulfur production capacity of approximately one million tons at peak, supplying both Iraqi domestic demand (fertilizer production, industrial chemistry) and export markets. Production was substantially disrupted by the 2014–2017 occupation, including fires set at the plant by retreating Daesh forces in October 2016 that produced toxic SO₂ clouds — one of the major environmental and public-health incidents of the conflict. Recovery has been partial; the plant is operating at reduced levels.
The Sinjar Limestone Formation, of Eocene age, is exposed across the Sinjar Mountains and provides high-quality limestone strategically important for the cement industry of northern Iraq. The formation also contains phosphatic rock horizons that have been studied for fertilizer potential, though Iraq's main commercial phosphate deposits are at Akashat in Anbar Governorate to the west rather than in Nineveh. Limestone quarrying for the Mosul cement industry and for building stone has been substantial historically; the Mosul Old City rebuild has used locally-quarried fossiliferous limestone (the characteristic moslawi stone of Mosul's traditional architecture) on a substantial scale, with the UNESCO heritage rehabilitation programme (Heritage, § i) the principal consumer in recent years.
Gypsum deposits from the Fatha Formation are extensive across the Folded Zone of northern Iraq, including parts of Nineveh. The principal uses are in plaster, cement manufacture, and (historically) the traditional gypsum work that decorates many surviving Ottoman-period buildings of Mosul. Marble is quarried at smaller scales for monumental and decorative use, including the rebuild of mosques and churches in the Old City.
As noted above, sinjarite (calcium chloride hexahydrate) is a unique mineral first described from the Sinjar Wadi area; it is hygroscopic and ephemeral, and serves more as a mineralogical curiosity than as a commercial resource. Salt deposits in Nineveh include shallow salt occurrences in the western Jazira; commercial salt production in Iraq is concentrated in the central and southern parts of the country rather than in Nineveh.
Iron and base-metal deposits in Nineveh proper are limited; the principal Iraqi base-metal occurrences (zinc-lead, copper, iron) are in the Kurdistan Region east and northeast of Nineveh. There is no significant commercial metallic mining in Nineveh in 2026.
iv. Water resources
Water is, in many ways, the most consequential natural resource of Nineveh. The Tigris River traverses the province from north to south, entering from the Cizre gorge in southeastern Turkey, passing through the Mosul Dam, and continuing through Mosul city and onward to Baghdad. The river provides irrigation water for the agriculture along its banks, drinking water for Mosul and several smaller cities, water for the Qayyarah industrial complex, and the surface-water flow on which much of the broader Nineveh economy depends. The Tigris is not merely a resource; it is the spine of the province (Geography, § ii).
The Mosul Dam, completed in 1986, is the largest dam in Iraq, with a reservoir capacity of approximately 11.1 km³ and an installed hydroelectric capacity of 750 MW. The dam is the principal regulatory feature for Tigris flow into Nineveh, providing flood control in wet years and drought buffering in dry years. The dam's foundation rock — gypsum-bearing strata that are vulnerable to dissolution — requires continuous grouting (Infrastructure, § ii) and represents one of the principal ongoing engineering challenges of the province. The dam's hydroelectric output, while modest by international standards, is a significant component of Nineveh's electricity supply.
The upstream water constraint is the central long-term challenge. Approximately 60% of Iraq's water originates in Turkey, and the upstream Turkish dam system (the Southeastern Anatolia Project, GAP, comprising 22 dams and 19 hydroelectric power plants on the upper Tigris and Euphrates) has progressively withheld water from Iraq since the 1980s. The 2018 commissioning of Turkey's Ilısu Dam on the Tigris near Cizre substantially reduced the volume of water reaching Iraq during low-rainfall years. The 2024 Iraq–Turkey framework agreement on water-resource management called for Turkey to release "500 cubic metres per second as a minimum, of which 260 cubic metres should reach Iraq"; implementation in 2025 has not consistently met these targets. As of late 2025, according to the Iraqi Ministry of Water Resources, Iraq receives less than 40% of its theoretical Tigris share.
Groundwater resources across Nineveh are significant but under sustained pressure. The Jazira region overlies a series of Cretaceous, Paleogene and Neogene aquifer systems that have supported supplementary irrigation, livestock watering, and household use for centuries. The post-2003 expansion of borehole drilling for irrigation has substantially drawn down water tables across the Jazira, with some districts reporting groundwater depths now significantly greater than those of two decades ago. The combination of reduced surface flow and groundwater depletion is, as noted in Weather § v, the principal climatic threat to Nineveh's rural economy.
Rainfall is the third water resource, providing approximately 355 mm per year in Mosul (Weather, § iii), substantially more in the northeastern foothills, and substantially less in the southern Jazira. Rain-fed agriculture in the Jazira depends entirely on this rainfall; in dry years the area harvested and the yield per hectare both decline. The five-year regional drought since 2020/21 (Weather, § v) has placed extraordinary pressure on this resource.
v. Agricultural land and soils
The agricultural-land resource of Nineveh is one of the principal natural assets of the province, treated extensively in Economy § iii and Weather § viii. The principal agricultural zones are the Jazira (rain-fed wheat and barley, livestock grazing in the southern marginal areas), the Tigris and tributary valleys (irrigated agriculture, orchards, vegetables), the Nineveh Plain east of the Tigris (mixed irrigated and rain-fed agriculture, including the traditional Christian and Shabak agricultural communities of Hamdaniya and Tilkaif), and the northeastern foothills (rain-fed orchards, vines, smaller cereal plots, and the only substantial fruit-cultivation area of the province).
The soils of Nineveh are predominantly calcareous, derived from the limestone-rich parent rocks of the region; they are generally fertile when water is available, though salinity is a concern in some irrigated areas and the soils of the southern Jazira are increasingly threatened by desertification. The deeper alluvial soils of the Tigris valley itself are the most productive, supporting the highest-yielding irrigated agriculture in the province.
Iraq has achieved a marketed wheat surplus exceeding 5 million tons for the third consecutive year in 2025 (Shafaq News, December 2025), with Nineveh contributing a substantial share through the Jazira wheat belt — though specific provincial figures are not consistently published. The Ministry of Agriculture's 2025 agricultural plan, ban on imports of over 40 commodities, and 252 new agricultural licences issued in 2025 have substantially supported the sector. The broader trajectory, however, is constrained by the water situation (Weather § v), the impact of the 2014–2017 occupation on rural infrastructure and farmer continuity, and the slow recovery of livestock numbers from the conflict-period losses.
vi. Forests, vegetation and biodiversity
Forest and woodland resources in Nineveh are limited. The province lies in the transition zone between the Mediterranean oak woodlands of the Zagros foothills (to the northeast, in Iraqi Kurdistan) and the steppe-desert of the lower Mesopotamian plain (to the south and southwest). The principal surviving woodland areas of Nineveh are in the northeastern foothills — Akre, Sheikhan, parts of Tilkaif — where remnant oak woodlands (Quercus brantii in particular) survive at moderate elevations, alongside the introduced and cultivated trees of the agricultural landscape. The Sinjar Mountains support a different vegetation regime: dry-climate shrublands and trees including pistachio (Pistacia), fig (Ficus carica), and various drought-adapted oak and almond species, recorded in Bronze Age texts from Mari and Mesopotamia and confirmed in modern surveys. The steppe vegetation of the central and southern Jazira is dominated by grasses, dwarf shrubs, and the seasonal wildflowers (including the red poppy, Papaver spp., and various irises) that characterise the spring of the western Iraqi steppe.
Biodiversity in Nineveh has been substantially affected by twentieth-century habitat loss, conflict, hunting, and (in the 2020s) climate change. The principal mammalian fauna includes various small carnivores (red fox, jackal), bats, hares, gerbils and other small rodents, and (now rare) the Persian leopard (Panthera pardus saxicolor) in the Sinjar mountains, recorded historically but with very few confirmed twenty-first-century sightings. Brown bear and other large mammals have been extirpated from the province. Bird life is more substantial: the Tigris valley is on the principal migratory flyway between Central Asia and Africa, supporting raptors, waterfowl, passerines and significant winter populations of cranes and other migrants; the Mosul reservoir provides important winter habitat. The aquatic biodiversity of the Tigris itself is reduced from historical levels by upstream dam impacts, pollution, and overfishing, but the river still supports several endemic and regional fish species.
Formal protected areas in Nineveh are limited; the Iraqi system of protected areas is much less developed than in neighbouring countries. The Iraqi government has discussed but not formally implemented protected-area designations for the Sinjar Mountains and for sections of the northeastern foothills. The combination of conflict legacy, demining requirements, climate stress, and the limited institutional capacity for conservation management has produced a substantial conservation gap that the next decade will need to address if Nineveh's already-reduced biodiversity is to be preserved.
vii. Energy beyond hydrocarbons
Beyond the Qayyarah hydrocarbon complex and the Mosul Dam hydroelectric station, Nineveh has substantial undeveloped renewable-energy potential. Solar irradiation in Nineveh is high — approximately 2,000–2,200 kWh per square metre per year for direct normal irradiance, consistent with northern Iraq's hot semi-arid climate (Weather, § i–ii). This is in the upper range globally for solar resource and would support both photovoltaic and concentrated solar power applications. The Iraqi government's solar-power expansion programme, accelerated since 2023, has identified Nineveh among the priority provinces for utility-scale solar development, with several memoranda of understanding signed with regional developers; physical projects on the ground in Nineveh remain limited as of mid-2026.
Wind energy potential is more modest in Nineveh proper than in coastal or higher-elevation parts of Iraq, but the shamāl winds across the Jazira (Weather, § iii) and the channelling effects around the Sinjar Mountains create local areas of moderate wind resource that could support smaller-scale wind generation. Geothermal resources in Nineveh are not currently characterised but are not believed to be significant.
The energy-from-waste potential — particularly methane capture from organic waste streams in the Mosul urban area — is a minor but real opportunity that has not yet been developed.
viii. Resource governance and challenges
The governance of Nineveh's natural resources is divided across several levels. Hydrocarbons are governed under the Iraqi federal framework, with the Ministry of Oil and its operational subsidiaries (Northern Oil Company, North Refineries Company, SOMO) holding the principal responsibilities; international contracts (the Sonangol agreement for Qayyarah, the SEAB/Limak agreement for the new Nineveh refinery, the Honeywell MoU for refinery upgrades) are negotiated at the federal level with the relevant operational entities. Sulfur is similarly governed federally through the State Company for Mishraq Sulfur. Water is governed under the Ministry of Water Resources, with both federal coordination on transboundary issues with Turkey and operational responsibility for the Mosul Dam and the river-management system within Iraq. Agricultural land is governed under a complex of federal, provincial, and local mechanisms, including the Ministry of Agriculture's licensing and pricing programmes and the unresolved land-ownership questions that the post-2017 reconstruction has had to address. Mineral resources are governed through the Iraqi Geological Survey under the Ministry of Industry and Minerals, with operational responsibility for cement and building-stone production divided among state and private enterprises.
The principal challenges facing resource governance in Nineveh are several. Federal-provincial coordination has historically been complicated by the centralised nature of Iraqi hydrocarbon and water-resource management, with provincial authorities having limited operational authority over the resources within their territory. Environmental regulation — particularly around the Mishraq sulfur plant, the Qayyarah oil operations, and the Tigris industrial water-quality questions — has been substantially under-developed. Resource benefit-sharing — the question of what share of the value generated by Nineveh's resources flows back to the province in development, employment and infrastructure — is one of the perennial themes of Iraqi political economy and has not been satisfactorily resolved. The Kurdistan Region question, which has affected the federal hydrocarbon governance framework since 2014, has substantial implications for the Kirkuk-Ceyhan pipeline and for Nineveh's longer-term oil-export trajectory.
The upstream water dispute with Turkey is the single most important governance challenge for Nineveh's water resource. The 2024 framework agreement is a step forward but has not produced consistent operational results in 2025. The 2025 Iraqi proposals to link increased oil exports to Turkish refineries with improved water releases (the so-called "oil-for-water" approach, CNN December 2025) represent a possible but politically complex route forward. The successful resolution of this dispute will substantially condition Nineveh's water position over the medium term.
ix. Outlook
The outlook for Nineveh's natural resources in the second half of the 2020s is one of considerable potential, conditioned by serious constraints. The hydrocarbon endowment is being progressively developed — Sonangol's expansion at Qayyarah, the new Nineveh refinery, the Qayyarah Combined-Cycle Power Station — and will support increasing federal revenue and provincial employment in the second half of the decade. The sulfur endowment at Mishraq remains world-class but its recovery to full production capacity is contingent on continued federal investment and the resolution of the environmental and operational legacies of 2014–2017. The limestone and gypsum base is well-positioned to support the construction sector and the heritage rehabilitation programme.
The water resource is the binding constraint. Without an improved upstream relationship with Turkey, without successful adaptation to the climate trends now in motion, and without effective groundwater governance, the Tigris-and-Jazira foundation of Nineveh's agricultural economy will be progressively eroded over the coming decades. This is the single most important natural-resource governance question facing the province, and it is one whose resolution lies substantially outside Iraqi provincial control.
The renewable-energy potential — particularly the strong solar resource — represents one of the most under-developed opportunities of the province. The institutional, financial and political framework to convert this potential into delivered electricity does not yet exist at the scale required, but the resource itself is substantial and is one of the few natural assets of Nineveh whose value is increasing rather than decreasing with the climate trajectory.
The biodiversity and ecological base is the most fragile, and the work required to preserve it the most under-developed. Sustained conservation effort over the next decade — protected-area designations, demining of conflict-legacy contamination, habitat restoration in the Sinjar and the northeastern foothills, climate-resilient management of the remaining woodland and rangeland — will determine whether the province retains a functional ecological foundation through the middle of the century.
Nineveh's natural-resource endowment is one of the strongest in Iraq. The work of using that endowment well — extracting value, distributing benefit, sustaining the underlying ecology and water systems, adapting to climate change — is the work of the coming decade. How well it is done will substantially shape what the province becomes.
References
- Springer (2024). Mineral Resources in Iraq — phosphate, sulfur, silica, bauxite, clay, iron, limestone, gypsum, salt endowment overview; Mishraq as principal world sulfur producer.
- 33Science (February 2026). "The Complete List of Minerals in Iraq" — geographic distribution of mineral deposits across the country.
- Al-Bassam, K.S. (2013). "Mineral Resources of Kurdistan Region, Iraq," Iraqi Bulletin of Geology and Mining 9(3): 103–127 — Sinjar Limestone Formation as strategic cement resource; Fatha Formation gypsum.
- Aljubouri, Z.A. and Aldabbach, S.M. (1980). "Sinjarite, a new mineral from Iraq," Mineralogical Magazine 43: 643–645 — type locality and discovery of sinjarite.
- Mindat.org (2025). Sinjar Wadi, Sinjar District, Nineveh Governorate, Iraq — type locality of sinjarite mineral.
- Mallick, K.A. and Al-Qayem, B.J. (1985). "Sedimentology of Sinjar Limestone Formation," Acta Mineralogica-Petrographica XXVII: 101–116 — Eocene Sinjar Limestone phosphatic horizons.
- Wikipedia (July 2025). "Sinjar Mountains" — 100 km range, 1,463 m peak, 75 km in Nineveh, anticlinal structure, biodiversity references.
- Iraq Business News (May 2023 onwards). Qayyarah oil field production, Sonangol contract, drilling progress, new Nineveh refinery, Qayyarah Combined-Cycle Power Station.
- Offshore Technology (July 2022). "Qayara I Refinery, Iraq" — 20,000 bpd CDU, $891.8m capex 2021–2025, expansion to 90,000 bpd by 2030.
- The Arab Weekly (May 2025). "Iraq faces dire water crisis" — Iraqi Ministry of Water Resources statements, 2024 framework agreement with Turkey.
- World Weather Attribution (November 2025). Five-year drought analysis — Tigris and Euphrates water levels down 27%.
- NASA Earth Observatory (February 2026). "Iraq Reservoirs Plunge to Low Levels" — Lake Tharthar and broader reservoir record.
- CNN (December 2025). "Grappling with its worst drought in a century, Iraq bets on a controversial oil-for-water deal."
- Britannica (2025). "Iraq — Desert, Arid, Hot" — northeastern foothills precipitation 300–560 mm, supporting woodland and orchards.
- Iraqi Ministry of Oil and Ministry of Water Resources, 2024–2025 statements.
- Iraqi Ministry of Agriculture (2025). Wheat surplus, agricultural licences, import bans.
- Shafaq News (December 2025). Iraq's wheat marketing surplus, third consecutive year over 5 million tons.
- State Company for Mishraq Sulfur — production figures (historical), Frasch process operations.
- Iraqi Geological Survey publications.
- Bulletin of the Iraq Natural History Museum (Baghdad University) — biodiversity and natural-history coverage for northern Iraq.