Heavy mineral concentrations in the sandstones of Amij Formation with particular emphasis on the mineral chemistry and petrographic characteristics of monazite …

YA Kettanah, SA Ismail - Journal of African Earth Sciences, 2016 - Elsevier
The heavy minerals in the clastic unit of the Lower Jurassic Amij Formation exposed in the
western desert of Iraq were studied. The uppermost part of the clastic unit contains thin,
placer-like black sandstone horizons that are radioactive and abnormally rich in heavy
minerals (0.6–56%), dominated by opaque (65%) and transparent (35%) heavy minerals.
The minerals, in the order of decreasing abundance are pseudorutile, goethite, zircon,
hematite, magnetite, monazite, rutile, leucoxene, tourmaline, ilmenite, chromite, and few …
以上显示的是最相近的搜索结果。 查看全部搜索结果