4.Do the layers look like ribbons or bands of minerals running through the rock; and is the rock kind of blocky? (The bands of minerals may be straight or wavy. The rock breaks into blocky chunks, not along its layers.)
4.Do the layers look like ribbons or bands of minerals running through the rock; and is the rock kind of blocky? (The bands of minerals may be straight or wavy. The rock breaks into blocky chunks, not along its layers.)
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
Related questions
Question
Transcribed Image Text:4.Do the layers look like ribbons or bands of minerals running through the rock; and is the rock kind of
blocky? (The bands of minerals may be straight or wavy. The rock breaks into blocky chunks, not
along its layers.)
O A. The rock has crystals, layers that look like ribbons or bands of minerals running through it, and is kind of blocky.
O B. The rock has crystals and layers that are thin and do not look like ribbons of minerals. It breaks along the layers.
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.
3.Does the rock have layers but not crystal grains? (Look carefully for layers, especially along the edges
of the rock.)
O A. The rock has layers, and crystal grains are not visible.
O B. The rock has no layers, and crystal grains are not visible.
O C. Descriptions are not aplicable in the rock sample
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