Examine 6 unknown metamorphic rock samples using the website: https://meg.georockme.com/unknowns by Scott Brande. From the Unknown Samples page, click on the sample number (A01, A02, A03, etc…). This will take you to the individual metamorphic rock webpage with the physical properties of the sample explained. Scroll down and be sure to watch the videos on the webpages: Whole Rock Video, Whole Rock Image, Close-up Image - Can you determine the size of the crystals? Examine the texture. Do you see any foliations where the minerals are oriented? HCl Acid Test Video – does it fizz when HCl acid is applied? Hardness Test Video – does it scratch the glass? Review your minerals lab to see which minerals scratch the glass, and which do not. Sheen (Reflectance) Test Video – does sample show a sheen-like appearance?
Examine 6 unknown metamorphic rock samples using the website: https://meg.georockme.com/unknowns by Scott Brande. From the Unknown Samples page, click on the sample number (A01, A02, A03, etc…). This will take you to the individual metamorphic rock webpage with the physical properties of the sample explained. Scroll down and be sure to watch the videos on the webpages: Whole Rock Video, Whole Rock Image, Close-up Image - Can you determine the size of the crystals? Examine the texture. Do you see any foliations where the minerals are oriented? HCl Acid Test Video – does it fizz when HCl acid is applied? Hardness Test Video – does it scratch the glass? Review your minerals lab to see which minerals scratch the glass, and which do not. Sheen (Reflectance) Test Video – does sample show a sheen-like appearance?
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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Examine 6 unknown metamorphic rock samples using the website: https://meg.georockme.com/unknowns by Scott Brande. From the Unknown Samples page, click on the sample number (A01, A02, A03, etc…). This will take you to the individual metamorphic rock webpage with the physical properties of the sample explained. Scroll down and be sure to watch the videos on the webpages:
- Whole Rock Video, Whole Rock Image, Close-up Image - Can you determine the size of the crystals? Examine the texture. Do you see any foliations where the minerals are oriented?
- HCl Acid Test Video – does it fizz when HCl acid is applied?
- Hardness Test Video – does it scratch the glass? Review your minerals lab to see which minerals scratch the glass, and which do not.
- Sheen (Reflectance) Test Video – does sample show a sheen-like appearance?
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