3. The photo below shows how sandstone can become quartzite and how limestone can become marble....

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3. The photo below shows how sandstone can become quartzite and how limestone can become marble. The rock looks dramatically different after metamorphosis. What has happened to the rock on a molecular scale? Hint:look at the crystals. Are the following rock foliated or non-foliated? When extreme heat is added to a Quartz sandstone, you get Quartzite. When extreme heat is added to Limestone, you get Marble. The rock below is a garnet schist. 4. Are garnets more stable deep in the Earth, or on the surface of the Earth? How do you think garnets are formed from what is originally a piece of shale? If you are floating down the Grand Canyon and see garnet schist, what can be determined about the past geologic environment of the area? 3. The photo below shows how sandstone can become quartzite and how limestone can become marble. The rock looks dramatically different after metamorphosis. What has happened to the rock on a molecular scale? Hint:look at the crystals. Are the following rock foliated or non-foliated? When extreme heat is added to a Quartz sandstone, you get Quartzite. When extreme heat is added to Limestone, you get Marble. The rock below is a garnet schist. 4. Are garnets more stable deep in the Earth, or on the surface of the Earth? How do you think garnets are formed from what is originally a piece of shale? If you are floating down the Grand Canyon and see garnet schist, what can be determined about the past geologic environment of the area?

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Ans3 In the case of quartzite and marble a regional or significantly contact metamorphism causes ... View the full answer