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Why might a geologist looking at exposed rock determine that the rock is undeformed?
Q3: Which of these geologic phenomena would a
Q4: Mineral-rich veins within or near plutons,deposited in
Q6: Which three geologic terms are used to
Q12: Why can't geologists isotopically date a clastic
Q21: The late Proterozoic Grenville orogen is an
Q32: Vertical motion seismographs record earthquakes through the
Q39: If,during an earthquake,a footwall slides upward relative
Q40: If the cross-section shown here were typical
Q51: Which of the following is NOT a
Q53: Regional metamorphism _.<br>A) takes place at cool