Author Question: What would you name the following metamorphic rocks? Foliated rock with alternating ... (Read 43 times)

bclement10 · **on:** Jul 16, 2018

What would you name the following metamorphic rocks?

Foliated rock with alternating compositional bands rich in quartz and feldspar or biotite, garnet, and sillimanite
Shiny, foliated rock rich in muscovite and biotite, with numerous crystals of coarse-grained garnet
Weakly foliated rock consisting entirely of coarse-grained recrystallized calcite
Weakly foliated rock consisting entirely of fine-grained recrystallized quartz
Non-foliated green rock consisting of quartz, feldspar, chlorite, and amphibole
What will be an ideal response?

Question 2

Which of the following currently is the most sustainable and affordable long-term source of water in the face of global warming?

A) Desalination of seawater
B) Using hydroelectric dams to generate electricity to pump aquifers for irrigation
C) Using coal generated electricity to desalinate seawater
D) Using natural gas to generate electricity to melt glaciers

aruss1303 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

Foliated rock with alternating compositional bands rich in quartz and feldspar or biotite, garnet and sillimanite gneiss
Shiny foliated rock rich in muscovite and biotite, with numerous crystals of coarse-grained garnet schist
Weakly foliated rock consisting entirely of coarse grained recrystallized calcite marble
Weakly foliated rock consisting entirely of fine grained recrystallized quartz quartzite
Non-foliated green rock consisting of quartz, feldspar, chlorite and amphibole greenstone

Answer to Question 2

A