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Pegmatites,which often occur in dikes,are unusual among shallow intrusive rocks in that they
Q4: Dendrochronology involves dating of historic and geologic
Q10: Rhyolite and granite are both felsic igneous
Q19: In determining unfair dismissal, which forms of
Q19: Conservative commentators argued that direct employee involvement
Q28: If a volcano lies along a convergent
Q31: The image below shows ancient dunes exposed
Q42: Why is an empty field the safest
Q60: During a journey to the center of
Q60: Compare and contrast the lithospheric mantle and
Q63: Coal is formed when heat and pressure