I need Earth science help!
Applying concepts- Choose two pairs of rocks used in this investigation. Write a brief description for each pair that explains how one rock can be changed into the other. (rocks I used: Calcite, Fluorite, Graphite, Quartz, Talc, Bauxite, Sandstone, Pyrite, Gypsum, Gneiss) please help :C

Question

I need Earth science help! 
Applying concepts- Choose two pairs of rocks used in this investigation. Write a brief description for each pair that explains how one rock can be changed into the other. (rocks I used: Calcite, Fluorite, Graphite, Quartz, Talc, Bauxite, Sandstone, Pyrite, Gypsum, Gneiss) please help :C

e.mccormick · Answer

Ask here: http://openstudy.com/study#/groups/Geography closest place to earth science.

e.mccormick · Answer

Calcite, Fluorite, Graphite, Quartz, Talc, Bauxite, Pyrite, Gypsum $\leftarrow$ minerals

Sandstone, Gneiss $\leftarrow$ rocks

You want rock conversions, like how does limestone become marble?