China Yankuang 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