In this thin-section (about 1.2 cm diameter), the microscopic view of a quartzite shows tightly interlocking grains. For this rock, the reason is: O the quartz grains were deposited that way on the sea-floor O it crystallized from a magma, and the grains grew into each other O the grains merged together by pressure solution during metamorphism O calcite filled the pores and grew into the quartz grains O it precipitated from a saturated brine in an evaporating lake

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
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In this thin-section (about 1.2 cm
diameter), the microscopic view of a
quartzite shows tightly interlocking grains.
For this rock, the reason is:
O the quartz grains were deposited that way
on the sea-floor
O it crystallized from a magma, and the grains
grew into each other
O the grains merged together by pressure
solution during metamorphism
calcite filled the pores and grew into the
quartz grains
O it precipitated from a saturated brine in an
evaporating lake
Transcribed Image Text:In this thin-section (about 1.2 cm diameter), the microscopic view of a quartzite shows tightly interlocking grains. For this rock, the reason is: O the quartz grains were deposited that way on the sea-floor O it crystallized from a magma, and the grains grew into each other O the grains merged together by pressure solution during metamorphism calcite filled the pores and grew into the quartz grains O it precipitated from a saturated brine in an evaporating lake
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