Quaternary Movement Along the La Jencia Fault, Central New Mexico

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Description

From abstract: The La Jencia fault is a recently reactivated late Cenozoic basin margin structure of major proportions that forms the western margin of the Rio Grande rift, which borders the eastern sides of the northern Magdalena Mountains and the southern Bear Mountains in central New Mexico. Stratigraphic throw on the fault has not been determined, but Precambrian rocks of the Magdalena Mountains are uplifted a minimum of 800 m (meters) above the adjacent basin floor, below which lie a thick section of upper Cenozoic basin-fill deposits. Most of the implied displacement is probably Neogene in age.

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[86] p. : ill., maps ; 28 cm.

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Machette, Michael N. 1988.

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Description

From abstract: The La Jencia fault is a recently reactivated late Cenozoic basin margin structure of major proportions that forms the western margin of the Rio Grande rift, which borders the eastern sides of the northern Magdalena Mountains and the southern Bear Mountains in central New Mexico. Stratigraphic throw on the fault has not been determined, but Precambrian rocks of the Magdalena Mountains are uplifted a minimum of 800 m (meters) above the adjacent basin floor, below which lie a thick section of upper Cenozoic basin-fill deposits. Most of the implied displacement is probably Neogene in age.

Physical Description

[86] p. : ill., maps ; 28 cm.

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"A detailed study of movement along a late Quaternary fault of the Rio Grande rift utilizing geologic mapping, exploratory trenches, soil development, laboratory analyses, and fault-scarp morphology."

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  • 1988

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  • Oct. 26, 2017, 1:43 p.m.

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  • Jan. 11, 2018, 1:55 p.m.

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Machette, Michael N. Quaternary Movement Along the La Jencia Fault, Central New Mexico, report, 1988; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc1036552/: accessed January 20, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.