China Yankuang deposit type

Niobium-tantalum ore deposit type of the table below:
table   China's antimony deposit type
Deposit type
Surrounding rock type
The main metal minerals and gangue minerals
Instance
Granite pegmatite tantalum and niobium ore
granite
Tantalum and niobium metal minerals mainly iron ore, microlite, beryl, spodumene. The main gangue minerals are feldspar , quartz , and mica.
Cocoto sea
Brown yttrium niobium ore granite
Ibid.
The main minerals are fergusonite metal ore, iron, niobium, titanium ore. The main gangue minerals are feldspar and quartz.
Gupo Mountain
Tantalite granite
Ibid.
The main metal minerals are coltan, zircon and lead . The main gangue minerals are sericite, feldspar, quartz
Taimei
Tantalite-nantite granite
Ibid.
The main metal minerals are coltan and antimony ore. The main gangue minerals are muscovite, feldspar, quartz
Boro
Tantalum and niobium iron - manganese ore granite Nb-Ta
Ibid.
The main metal minerals are coltan, strontium manganese, fine spar, cassiterite , and black tungsten . The main gangue minerals are feldspar, quartz, and yttrium zircon.
Chestnut
Manganese ore-fine grain granite
Ibid.
The main metal minerals are manganese-rich coltan, fine-grain, strontium-containing sillimanite and lithium mica. The main gangue minerals are feldspar, quartz, topaz
Yichun
Astragalus ore granite
granite
The main metal minerals are xanthine ore, fluorocarbon calcium strontium ore, cassiterite and rare earth ore. The main gangue minerals are feldspar and quartz.
Niu Lingyu
Sedimentary metamorphic high temperature hydrothermal metasomatic deposit
Dolomites
The main metal minerals are ilmenite, coltan, magnetite and hematite. The main gangue minerals are feldspar and quartz.
Baotou

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