Question: How could mineral hardness be used to tell quartzite (shown right) from marble (shown left)? Answer: I don’t know that hardness would be a good test since both of these rocks have undergone metamorphism.
Filed under: Geology / Earth Science, Rocks on July 17th, 2009 | 1 Comment »
Question: What term for metamorphic rock with banded texture?
Filed under: Geology / Earth Science, Rocks on July 8th, 2009 | No Comments »
Garnet Schist is a beautiful gray, silvery or brown colored metamorphic rock which shiny mica layers and an abundance of well-formed garnet crystals. Garnet schist is the same rock as a mica schist with the exception of the inclusion of the garnets (too cool!). The original rock type is typically a clayey rock with some [...]
Filed under: Geology / Earth Science, Minerals, Rocks on September 7th, 2008 | No Comments »
