How To Use greisen In A Sentence
- A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
- The wall rocks are usually strongly altered and in part are replaced by some of the above minerals, forming coarse-grained rocks which are called "greisen. The Economic Aspect of Geology
- It has been collected in a road cut near Grant Mills, Cumberland, Rhode Island; in Stratford, Fairfield County, Connecticut; and in greisen with purple fluorite at Irish Creek, Rockbridge County, Virginia.
- A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
- A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
- Eventually we reached the site, a few trenches along veins of greisen.
- At the Redskin mine, molybdenite is found in small cylindrical greisen pipes in the Redskin Granite.
- A greisen is a quartz - mica aggregate containing significant amounts of cassiterite, wolframite, fluorite, topaz, rutile, and tourmaline.
