Physical Geology Assignment 4: Metamorphic Rocks Part 1: Rock identification. Fo

Question

Physical Geology Assignment 4: Metamorphic Rocks Part 1: Rock identification. For the following chart, provide the appropriate information in the areas shaded yellow Composition/Original Rock Metamorphic Rock Name Sample #1: Rock Name? Foliated or Non-foliated Texture? Image Composition: Microscopic quartz, feldspar, mica, and chlorite. Minerals too small to be seen in hand sample. Texture: Foliated Splits apart into thin tiles The type of cleavage exhibited by this sample has the same name as the rock Original rock: Shale Composition (Hint: Fizzes in weak HCI)? Sample #2 Texture? Rock Name: Marble Original Rock? Composition: Glaucophane common and may also contain plagioclase, mica, and epidote Sample #3 Texture: Non-foliated to Rock Name? moderately foliated Metamorphosed in subduction zones Original Rock: Basalt (oceanic crust)

Explanation / Answer

Sample #1 Answer is Slate(Rock name).

Slate is metasedimentary rock and it has slaty cleavage.

slate formed under low grade metamorphism.

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---