Coquimbo Formation
Coquimbo Formation (Spanish: Formación Coquimbo) is a Miocene to Middle Pleistocene sedimentary formation located in Coquimbo Region in Norte Chico, Chile. The lowermost unit belongs to the lower Miocene, with the third-deepest unit dated at 11.9 ± 1.0 Ma. The uppermost unit of the formation is estimated at 1.2 Ma. In the area of Tongoy, the Coquimbo Formation was deposited in an ancient bay that was formed in a graben or half-graben, with a normal fault dipping east. Sea level changes during the Holocene have caused erosion to cut several marine terraces into the formation.
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Coquimbo Formation
Coquimbo Formation (Spanish: Formación Coquimbo) is a Miocene to Middle Pleistocene sedimentary formation located in Coquimbo Region in Norte Chico, Chile. The lowermost unit belongs to the lower Miocene, with the third-deepest unit dated at 11.9 ± 1.0 Ma. The uppermost unit of the formation is estimated at 1.2 Ma. In the area of Tongoy, the Coquimbo Formation was deposited in an ancient bay that was formed in a graben or half-graben, with a normal fault dipping east. Sea level changes during the Holocene have caused erosion to cut several marine terraces into the formation.
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Coquimbo Formation (Spanish: F ...... e terraces into the formation.
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age
extent
name
Coquimbo Formation
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namedfor
otherlithology
Clay lenses, terra rossa
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overlies
period
Pliocene
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prilithology
Conglomerate, sandstone, siltstone, shale and coquina
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region
underlies
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-30.339166666666667 -71.53416666666666
type
comment
Coquimbo Formation (Spanish: F ...... e terraces into the formation.
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label
Coquimbo Formation
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lat
-3.0339166666666673e+1
long
-7.153416666666666e+1