Sentence examples for mining of feldspar from inspiring English sources
The small-scale mining of feldspar, feldspar sand, and kaolin clay ceased by 1990.
It is a quartz derivative of the mining of feldspar and is shipped in from North Carolina.
Peristerite, iridescent gemstone in the plagioclase series of feldspar minerals.
Subarkose, variety of sandstone in which 5 25 percent of the sand grains are composed of feldspar.
Anorthoclase, any member of a continuous series of feldspar minerals related to sanidine.
The shells may be lined with delicate crystals of feldspar, quartz, or tridymite.
It too was familiar, the same kind of rock, known as anorthosite, full of feldspar, that is found in mountains and massifs like the Adirondacks, Dr. Ebel said.
Most rocks are composed of several different minerals; e.g., granite consists of feldspar, quartz, mica, and amphibole.
The spatial variation of the sodium ion concentration indicates localized weathering of feldspar (plagioclase bearing) rocks present in the granite rocks and may also due to the over exploitation of groundwater because of mining and basic consumption needs.
Feldspar dissolution has resulted in oversized and moldic pores which contain corroded remnants of feldspar.
d SEM image of feldspar dissolution and presence of authigenic kaolinite.
