plagioclases in English
noun
1
a form of feldspar consisting of aluminosilicates of sodium and/or calcium, common in igneous rocks and typically white.
Aligned igneous minerals of euhedral potassium feldspar, plagioclase , biotite and hornblende in an undeformed quartz matrix define a magmatic foliation.
noun
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Below are sample sentences containing the word "plagioclases" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "plagioclases", or refer to the context using the word "plagioclases" in the English Dictionary.
1. The results on hornblendes, plagioclases and zircons establish the isotopic age of intrusion and the mode of cooling.
2. Anorthite is the most calcic of the plagioclases, and sometimes makes up a distinctive rock known as anorthosite, which has been extensively studied.