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Quebrada de Parca

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Journal Article
Journal: Geology
Published: 01 August 2016
Geology (2016) 44 (8): 675-678.
...-core transects. Our data constrain the incision history of the Quebrada de Parca canyon in northern Chile from ca. 16 Ma to the present day. The erosional and topographic response of the Quebrada de Parca river suggests that incision was induced by a switch to a more arid climate in the middle Miocene...
Image
F ig . 2. Simplified regional geologic map of part of northern Chile showin...
Published: 01 December 2002
of the Altiplano, when west-verging thrust faults developed in the Moquella area. Continued uplift incised numerous west-southwest–trending valleys, e.g., Quebrada Parca, shown by dashed line, which expose the volcanic rocks underlying the pampa gravel (after Thomas, 1967 ; Galli, 1968 ; Servicio Nacional de
Image
Host rocks at Cerro Colorado. (a). The east wall of the Main zone pit, look...
Published: 01 January 2006
° to the southwest, looking south from the floor of Quebrada Parca (ca. 2,290 m a.s.l.) west of the embayment (i.e., north of the West zone). The lower part of the sequence is composed of volcanic breccia (1), overlain by fine-grained porphyritic andesite (2), and dacitic lapilli tuff (3). These are covered
Journal Article
Journal: PALAIOS
Published: 01 October 2003
PALAIOS (2003) 18 (4-5): 349-366.
...LINDA M. DE ROMERO; IRENE M. TRUSKOWSKI; TIMOTHY J. BRALOWER; JAMES A. BERGEN; OSCAR ODREMAN; JAMES C. ZACHOS; FRANCIA A. GALEA-ALVAREZ AbstractThe biostratigraphy of the La Luna Formation has long been in dispute, despite the importance of this unit as the most important source rock...
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Journal Article
Journal: Economic Geology
Published: 01 December 2002
Economic Geology (2002) 97 (8): 1701-1740.
... of the Altiplano, when west-verging thrust faults developed in the Moquella area. Continued uplift incised numerous west-southwest–trending valleys, e.g., Quebrada Parca, shown by dashed line, which expose the volcanic rocks underlying the pampa gravel (after Thomas, 1967 ; Galli, 1968 ; Servicio Nacional de...
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Journal Article
Journal: Economic Geology
Published: 01 January 2006
Economic Geology (2006) 101 (1): 95-134.
...° to the southwest, looking south from the floor of Quebrada Parca (ca. 2,290 m a.s.l.) west of the embayment (i.e., north of the West zone). The lower part of the sequence is composed of volcanic breccia (1), overlain by fine-grained porphyritic andesite (2), and dacitic lapilli tuff (3). These are covered...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2014
GSA Bulletin (2014) 126 (7-8): 1016-1046.
... the saline soils found in the core of the Atacama Desert. Between 21° and 22°S ( Fig. 3 ), consolidated strata of the Altos de Pica and El Diablo Formations are dominated by conglomerates, ranging from clast supported to matrix supported, from tabular to lenticular, and from pebble to cobble maximum grain...
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