Weishan

Weishan (Chisan, Xishan, 1010)

Carbonatite rare earth element deposit in Shandong, China

Deposit type: Carbonatite

REE minerals: bastnäsite, parisite, britholite, carbocernaite, monazite, ancylite, pyrochlore, allanite, chevkinite, aeschynite

Ore minerals: barite, fluorite, pyrochlore, magnetite, rutile, anatase, apatite, perovskite, columbite, thorite

Gangue minerals: quartz, calcite, epidote, aegirine, biotite, chlorite, diopside, hematite

Host rock types: syenite, quartz syenite, aegirine-qugite syenite

Average grade:

Status: Active REE Producer

Company:

Resource estimates: >1.6% REO in production

Tens of bastnasite-barite-carbonate veins on eastern shore of Weishan Lake. Veins trend NW and are 1 cm to several m thick. Host rocks are about 140 Ma (K-Ar,syenite)

References

1. https://en.wikipedia.org

2. http://mrdata.usgs.gov/ree/show-ree.php?rec_id=101