1999
DOI: 10.2113/34.1.121
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The Rio Grande rift: A geological and geophysical overview

Abstract: The Rio Grande rift is a major structural element of the Southern Rocky Mountain region. During the last 20 years this feature has become widely recognized as a major Cenozoic continental rift zone. During this time we have learned much about the structure and evolution of the rift. However, many gaps in our knowledge remain that prevent us from fully understanding its evolution and the processes that formed it. The rift should not be studied in isolation, because the Laramide orogeny, uplift, complex magmatis… Show more

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Cited by 83 publications
(42 citation statements)
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“…1; e.g., Keller and Baldridge, 1999;Reiter and Chamberlin, 2011). Structurally, it consists of a series of asymmetric Miocene, en echelon half-grabens that widen and become more diffuse to the south, until they interfi nger with the Basin and Range province in south-central New Mexico (Keller and Baldridge, 1999;Reiter and Chamberlin, 2011). Extensional faults related to the extension of the Rio Grande rift were active from ca.…”
Section: Geologic Setting Of the Study Areasmentioning
confidence: 99%
See 1 more Smart Citation
“…1; e.g., Keller and Baldridge, 1999;Reiter and Chamberlin, 2011). Structurally, it consists of a series of asymmetric Miocene, en echelon half-grabens that widen and become more diffuse to the south, until they interfi nger with the Basin and Range province in south-central New Mexico (Keller and Baldridge, 1999;Reiter and Chamberlin, 2011). Extensional faults related to the extension of the Rio Grande rift were active from ca.…”
Section: Geologic Setting Of the Study Areasmentioning
confidence: 99%
“…35 Ma to present, with the highest magnitude of extension of ~10%-30% in the Miocene (Russell and Snelson, 1994). Normal faulting locally overprinted and reactivated compressional faults that formed Rocky Mountain uplifts during the Laramide orogeny (75-43 Ma) and so riftbounding faults often record complex polystage movements (Keller and Baldridge, 1999;Cather, 2004;Seager, 2004;Minor et al, 2013). Ongoing extension in the Rio Grande rift is taking place at relatively slow rates of ~0.1 mm/yr (Berglund et al, 2012).…”
Section: Geologic Setting Of the Study Areasmentioning
confidence: 99%
“…The northern San Luis Basin, like other parts of the Rio Grande rift, has been the site of multiple tectonic events that each left an imprint on the geology and underlying structure [11]. Geophysical interpretation of rift structure commonly requires unraveling the similar-looking expressions of older tectonic features from those of the rift.…”
Section: Inset)mentioning
confidence: 99%
“…Typical features are a central-linear down-faultet segment, called a graben, with parallel normal faulting and rift-flank uplifts on either side forming a rift valley. A few prominent examples are Great Rift Valley in Africa (Braile et al, 1995), Lake Baikal -the bottom of which is the deepest continental rift on the earth (Galazi, 1993), the Rio Grande Rift in the southwestern US (Keller and Baldridge, 1999), the Oslo graben in Norway (Olaussen et al, 1994) and the Rhine Graben in Germany and France (Rotstein et al, 2006).…”
Section: Extension: Horst and Graben Structures And Riftsmentioning
confidence: 99%