Grouse Creek block
The Grouse Creek block is a block of 2.5 to 2.6 billion year old orthogneisses (a type of gneiss) and similar metasedimentary rocks. The Grouse Creek block is one of several Proterozoic and Archean accreted terranes that lie to the north and west of the Wyoming craton, including the Farmington Canyon Complex (<2.5 Ga), the Selway terrane (2.4-1.6 Ga), the Medicine Hat block (2.6-3.3 Ga) and the Priest River complex (>2.6-1.5 Ga). Together, these terranes comprise part of the basement rock of the North American continent and have been critical to studies of crustal accretion in the Precambrian. Ongoing study of the Grouse Creek block will contribute to understanding the paleogeography of the Wyoming craton prior to its incorporation into the supercontinent Laurentia approximately 1.86 billi
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Grouse Creek block
The Grouse Creek block is a block of 2.5 to 2.6 billion year old orthogneisses (a type of gneiss) and similar metasedimentary rocks. The Grouse Creek block is one of several Proterozoic and Archean accreted terranes that lie to the north and west of the Wyoming craton, including the Farmington Canyon Complex (<2.5 Ga), the Selway terrane (2.4-1.6 Ga), the Medicine Hat block (2.6-3.3 Ga) and the Priest River complex (>2.6-1.5 Ga). Together, these terranes comprise part of the basement rock of the North American continent and have been critical to studies of crustal accretion in the Precambrian. Ongoing study of the Grouse Creek block will contribute to understanding the paleogeography of the Wyoming craton prior to its incorporation into the supercontinent Laurentia approximately 1.86 billi
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The Grouse Creek block is a bl ...... ed by David Foster and others.
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Wikipage page ID
37,066,712
Wikipage revision ID
708,500,553
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point
41.0 -115.0
comment
The Grouse Creek block is a bl ...... entia approximately 1.86 billi
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label
Grouse Creek block
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