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Birth and evolution of the Rio Grande fluvial system in the past 8 Ma: Progressive downward integration and the influence of tectonics, volcanism, and climate
被引：50
|作者：
Repasch, Marisa
[1
]
Karlstrom, Karl
[1
]
Heizler, Matt
[2
]
Pecha, Mark
[3
]
机构：
[1] Univ New Mexico, Dept Earth & Planetary Sci, Albuquerque, NM 87131 USA
[2] New Mexico Inst Min & Technol, New Mexico Bur Geol & Mineral Resources, Socorro, NM 87801 USA
[3] Univ Arizona, Dept Geosci, Arizona Laserchron Ctr, Tucson, AZ 85721 USA
基金：
美国国家科学基金会;
关键词：
Rio Grande;
Tectonic geomorphology;
River integration;
Detrital zircon;
Detrital sanidine;
40Ar/39Ar geochronology;
U-PB GEOCHRONOLOGY;
K-AR DATES;
NEW-MEXICO;
COLORADO PLATEAU;
SURFACE UPLIFT;
RIVER INCISION;
MIOCENE SEDIMENTATION;
JEMEZ MOUNTAINS;
UNITED-STATES;
RIFT;
D O I：
10.1016/j.earscirev.2017.03.003
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Volcanism concurrent with the development of the river system provides a unique opportunity to apply multiple geochronometers to the study of its incision and drainage evolution. This paper reports seventeen new and 79 previously unpublished 40Ar/39Ar basalt ages in the context of a compilation of published geochronology. We also report detrital zircon ages for nineteen samples of ancestral Rio Grande-Rio Chama sediment, and compare them to eleven detrital K-feldspar samples to evaluate this potentially powerful new detrital grain analysis. Volcanism concurrent with the development of the river system provides a unique opportunity to apply multiple geochronometers to the study of its incision and drainage evolution. This paper reports seventeen new and 79 previously unpublished 40Ar/39Ar basalt ages in the context of a compilation of published geochronology. We also report detrital zircon ages for nineteen samples of ancestral Rio Grande-Rio Chama sediment, and compare them to eleven detrital K-feldspar samples to evaluate this potentially powerful new detrital grain analysis. Volcanism concurrent with the development of the river system provides a unique opportunity to apply multiple geochronometers to the study of its incision and drainage evolution. This paper reports seventeen new and 79 previously unpublished 40Ar/39Ar basalt ages in the context of a compilation of published geochronology. We also report detrital zircon ages for nineteen samples of ancestral Rio Grande-Rio Chama sediment, and compare them to eleven detrital K-feldspar samples to evaluate this potentially powerful new detrital grain analysis. Volcanism concurrent with the development of the river system provides a unique opportunity to apply multiple geochronometers to the study of its incision and drainage evolution. This paper reports seventeen new and 79 previously unpublished 40Ar/39Ar basalt ages in the context of a compilation of published geochronology. We also report detrital zircon ages for nineteen samples of ancestral Rio Grande-Rio Chama sediment, and compare them to eleven detrital K-feldspar samples to evaluate this potentially powerful new detrital grain analysis.
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页码：113 / 164
页数：52
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