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7.Does the rock have gas bubbles (vesicles) in it? (It may look something like a sponge. Look for rounded holes, or glassy bubbles in the rock. They may be tiny like a pinhead, small, or large like a pea). A. The rock has gas bubbles. B. The rock has no gas bubbles. c. Descriptions are not aplicable in the rock sample.

7.Does the rock have gas bubbles (vesicles) in it? (It may look something like a sponge. Look for rounded holes, or glassy bubbles in the rock. They may be tiny like a pinhead, small, or large like a pea). A. The rock has gas bubbles. B. The rock has no gas bubbles. c. Descriptions are not aplicable in the rock sample.

Applications and Investigations in Earth Science (9th Edition)
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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Please answer 6&7
STREAK 1 STREAK 2 STREAK 3 Identify your rock smaple based on its physical characteristics using the provided dichotomous keys. 7.Does the rock have gas bubbles (vesicles) in it? (It may look something like a sponge. Look for rounded holes, or glassy bubbles in the rock. They may be tiny like a pinhead, small, or large like a pea). O A. The rock has gas bubbles. B. The rock has no gas bubbles. C. Descriptions are not aplicable in the rock sample. O O O
Transcribed Image Text:STREAK 1 STREAK 2 STREAK 3 Identify your rock smaple based on its physical characteristics using the provided dichotomous keys. 7.Does the rock have gas bubbles (vesicles) in it? (It may look something like a sponge. Look for rounded holes, or glassy bubbles in the rock. They may be tiny like a pinhead, small, or large like a pea). O A. The rock has gas bubbles. B. The rock has no gas bubbles. C. Descriptions are not aplicable in the rock sample. O O O
STREAK 1 STREAK 2 STREAK 3 Identify your rock smaple based on its physical characteristics using the provided dichotomous keys. 6.Is the rock coarse grained? (If the rock is coarse grained, most of the rock is primarily made of crystals that are as large, or larger, than a grain of rice. If you can see the crystals without a magnifier, but they are smaller than a grain of rice, the rock is medium grained.) O A. The rock is made of coarse crystal grains. It has no layers, and is dark colored. B. The rock is made of medium crystal grains. It has no layers, and is dark colored. O c. Descriptions are not aplicable in the rock sample.
Transcribed Image Text:STREAK 1 STREAK 2 STREAK 3 Identify your rock smaple based on its physical characteristics using the provided dichotomous keys. 6.Is the rock coarse grained? (If the rock is coarse grained, most of the rock is primarily made of crystals that are as large, or larger, than a grain of rice. If you can see the crystals without a magnifier, but they are smaller than a grain of rice, the rock is medium grained.) O A. The rock is made of coarse crystal grains. It has no layers, and is dark colored. B. The rock is made of medium crystal grains. It has no layers, and is dark colored. O c. Descriptions are not aplicable in the rock sample.
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