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![Generalized geologic map of <span class="search-highlight">Aucanquilcha</span> volcanic cluster, showing units gr...]()
![Summary of zircon age data for <span class="search-highlight">Aucanquilcha</span> volcanic cluster (AVC) plotted ...]()
![Assembly of <span class="search-highlight">Aucanquilcha</span> volcanic cluster plutonic underpinnings. Depth is ...]()
![Schematic reconstruction of four distinct magmatic regimes feeding Central ...]()
![Structural maps. (A) Non-volcanic rockslide avalanche, Carlson (Idaho, USA)...]()
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![Ti concentrations and corresponding crystallization temperatures for Aucanq...]()
![Major-element data for Tunupa and Huayrana samples with regional southern A...]()
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![Distribution of stratovolcanoes (Miocene to Holocene) and monogenetic volca...]()
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![A: Three-dimensional (3-D) images derived from Shuttle Radar Topography Mis...]()
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![Southern Altiplano region of the central Andes. Dark triangles show locatio...]()
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Aucanquilcha
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Journal Article
Organization and thermal maturation of long-lived arc systems: Evidence from zircons at the Aucanquilcha volcanic cluster, northern Chile
Journal: Geology
Publisher: Geological Society of America
Published: 01 November 2010
Geology (2010) 38 (11): 1007–1010.
...Barry Alan Walker; Anita L. Grunder; Joseph L. Wooden Abstract Age and trace element data from zircons constrain the progressive stages of development of the magmatic underpinnings of the long-lived, dacite-dominant Aucanquilcha volcanic cluster in northern Chile. Large U/Pb age spectra (<2 m.y...
FIGURES
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Journal Article
An occurrence of the assemblage, native sulfur-covellite-“Cu 5.5x Fe x S 6.5x ”, Aucanquilcha, Chile
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 June 1970
American Mineralogist (1970) 55 (5-6): 913–918.
...Alan H. Clark Abstract A mineral with composition near to Cu 5 FeS 6 has been found associated with native sulfur and covellite in the volcanic sulfur deposit at Aucanquilcha. Microprobe, optical and X-ray powder diffraction data match closely a previously reported occurrence at Nu-kundamu, Fiji...
Image
Generalized geologic map of Aucanquilcha volcanic cluster, showing units gr...
in Organization and thermal maturation of long-lived arc systems: Evidence from zircons at the Aucanquilcha volcanic cluster, northern Chile
> Geology
Published: 01 November 2010
Figure 1. Generalized geologic map of Aucanquilcha volcanic cluster, showing units grouped by time. Eruptive groups: Alconcha—11–8 Ma; Gordo—6–4 Ma; Polan—4–2 Ma; Aucanquilcha—ca. 1 Ma–present; Alt'n—hydrothermally altered rock; Qal—Quaternary alluvium. Stars indicate zircon sample locations.
Image
Summary of zircon age data for Aucanquilcha volcanic cluster (AVC) plotted ...
in Organization and thermal maturation of long-lived arc systems: Evidence from zircons at the Aucanquilcha volcanic cluster, northern Chile
> Geology
Published: 01 November 2010
Figure 2. Summary of zircon age data for Aucanquilcha volcanic cluster (AVC) plotted with cumulative volume and time. Spot analyses (2 σ errors) are shown with probability density functions (PDF) for individual samples. Age spectra (see text) for individual samples are shown with star
Image
Assembly of Aucanquilcha volcanic cluster plutonic underpinnings. Depth is ...
in Organization and thermal maturation of long-lived arc systems: Evidence from zircons at the Aucanquilcha volcanic cluster, northern Chile
> Geology
Published: 01 November 2010
Figure 4. Assembly of Aucanquilcha volcanic cluster plutonic underpinnings. Depth is in kilometers. White pods—liquid-rich magma; stippled pods—crystal-rich mush; striped—totally solidified magma and/or remnant country rock. Isolated sectors of magmatism (birth) gave way to more extensive
Image
Schematic reconstruction of four distinct magmatic regimes feeding Central ...
Published: 01 August 2018
Figure 7 Schematic reconstruction of four distinct magmatic regimes feeding Central Andean stratovolcanoes characterised by increasing recharge rates and decreasing volcano lifetimes. The magmatic regimes are exemplified by the volcanoes of Aucanquilcha, Taapaca, and the “old” and “young” cones
Image
Structural maps. (A) Non-volcanic rockslide avalanche, Carlson (Idaho, USA)...
in Structural analysis and analogue modeling of the kinematics and dynamics of rockslide avalanches
> Geosphere
Published: 01 August 2008
Figure 4. Structural maps. (A) Non-volcanic rockslide avalanche, Carlson (Idaho, USA). (B) Non-volcanic rockslide avalanche, Martinez Mountain (California, USA). (C) Volcanic rockslide avalanche, Aucanquilcha (Central Andes, Chile). (D) Volcanic rockslide avalanche, Lastarria (Central Andes
Journal Article
Magmatism in the Central Andes
Journal: Elements
Publisher: Mineralogical Society of America
Published: 01 August 2018
Elements (2018) 14 (4): 237–244.
...Figure 7 Schematic reconstruction of four distinct magmatic regimes feeding Central Andean stratovolcanoes characterised by increasing recharge rates and decreasing volcano lifetimes. The magmatic regimes are exemplified by the volcanoes of Aucanquilcha, Taapaca, and the “old” and “young” cones...
FIGURES
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Image
Ti concentrations and corresponding crystallization temperatures for Aucanq...
in Organization and thermal maturation of long-lived arc systems: Evidence from zircons at the Aucanquilcha volcanic cluster, northern Chile
> Geology
Published: 01 November 2010
Figure 3. Ti concentrations and corresponding crystallization temperatures for Aucanquilcha volcanic cluster (AVC) zircons as calculated from Ti-in-zircon thermometer ( Ferry and Watson, 2007 ; see Methods discussion for calculation parameters). Data are separated by eruptive pulse. A: Data
Image
Major-element data for Tunupa and Huayrana samples with regional southern A...
in Geochemistry and 40 Ar/ 39 Ar geochronology of lavas from Tunupa volcano, Bolivia: Implications for plateau volcanism in the central Andean Plateau
> Lithosphere
Published: 01 April 2015
Figure 5. Major-element data for Tunupa and Huayrana samples with regional southern Altiplano centers for comparison. Open triangles are Tunupa; star is Huayrana. Shaded regions define the distribution of compositions for Quaternary composite centers Parinacota and Aucanquilcha for comparison
Journal Article
Evidence for Magmatic Anhydrite in Porphyry Copper Intrusions
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 February 2019
Economic Geology (2019) 114 (1): 143–152.
... anhydrite and to test the hypothesis presented above. All samples were selected because they were spatially and temporally associated with porphyry copper deposits or, in the case of Aucanquilcha, because they were associated with native sulfur deposits and a large zone of hydrothermal alteration ( Clark...
FIGURES
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Image
Distribution of stratovolcanoes (Miocene to Holocene) and monogenetic volca...
Published: 01 August 2018
Figure 1 Distribution of stratovolcanoes (Miocene to Holocene) and monogenetic volcanic centers (Pliocene to Holocene) in the Central Andes. Active volcanoes mentioned in the text are marked in red; the volcanoes of Parinacota (P), Taapaca (T) and Aucanquilcha (A) are marked in large blue letters
Journal Article
Geochemistry and 40 Ar/ 39 Ar geochronology of lavas from Tunupa volcano, Bolivia: Implications for plateau volcanism in the central Andean Plateau
Journal: Lithosphere
Publisher: GSW
Published: 01 April 2015
Lithosphere (2015) 7 (2): 95–107.
...Figure 5. Major-element data for Tunupa and Huayrana samples with regional southern Altiplano centers for comparison. Open triangles are Tunupa; star is Huayrana. Shaded regions define the distribution of compositions for Quaternary composite centers Parinacota and Aucanquilcha for comparison...
FIGURES
| View All (9)
Image
A: Three-dimensional (3-D) images derived from Shuttle Radar Topography Mis...
Published: 01 July 2009
Figure 1. A: Three-dimensional (3-D) images derived from Shuttle Radar Topography Mission digital elevation models showing different shapes of arc volcanoes. 1—Concepción (11.538°N, 85.623°W), simple symmetrical cone; 2—Ollagüe (21.308°S, 68.180°W), more complex cone; 3—Aucanquilcha (21.225°S
Journal Article
Arc magmatism, calderas, and supervolcanoes
Journal: Geology
Publisher: Geological Society of America
Published: 01 August 2008
Geology (2008) 36 (8): 671–672.
... arc flux, the lack of correlation between CFEs and the duration of arc activity found by Hughes and Mahood suggests that the feedbacks are muted, and thermal maturation is at a level where the CFE magnitude is buffered at a lower level. This assertion is supported by work at the Aucanquilcha volcanic...
FIGURES
Journal Article
Morphometry and evolution of arc volcanoes
Journal: Geology
Publisher: Geological Society of America
Published: 01 July 2009
Geology (2009) 37 (7): 651–654.
...Figure 1. A: Three-dimensional (3-D) images derived from Shuttle Radar Topography Mission digital elevation models showing different shapes of arc volcanoes. 1—Concepción (11.538°N, 85.623°W), simple symmetrical cone; 2—Ollagüe (21.308°S, 68.180°W), more complex cone; 3—Aucanquilcha (21.225°S...
FIGURES
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Journal Article
Structural analysis and analogue modeling of the kinematics and dynamics of rockslide avalanches
Journal: Geosphere
Publisher: Geological Society of America
Published: 01 August 2008
Geosphere (2008) 4 (4): 657–686.
...Figure 4. Structural maps. (A) Non-volcanic rockslide avalanche, Carlson (Idaho, USA). (B) Non-volcanic rockslide avalanche, Martinez Mountain (California, USA). (C) Volcanic rockslide avalanche, Aucanquilcha (Central Andes, Chile). (D) Volcanic rockslide avalanche, Lastarria (Central Andes...
FIGURES
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Includes: Multimedia, Supplemental Content
Image
Southern Altiplano region of the central Andes. Dark triangles show locatio...
in Geochemistry and 40 Ar/ 39 Ar geochronology of lavas from Tunupa volcano, Bolivia: Implications for plateau volcanism in the central Andean Plateau
> Lithosphere
Published: 01 April 2015
the labeled arc-front centers of Parinacota ( Hora et al., 2009 ); Aucanquilcha and La Poruñita ( Grunder et al., 2008 ; Walker, 2011 ); Arintinca, El Rojo ( Wörner et al., 1992 ); Irruputuncu, Isluga, and Olca ( Wörner et al., 1992 ; Mamani et al., 2010 ). Data from monogenetic rear arc centers are labeled
Journal Article
Dedication: In memory of Todd Christian Feeley (1961–2015)
Journal: Geosphere
Publisher: Geological Society of America
Published: 01 July 2016
Geosphere (2018) 14 (3): 951–953.
.... He spent much of his early career working on Ollagüe Volcano and the Aucanquilcha complex in the Central Andes and San Pedro–San Pablo Guadal complex in the Southern Andes. He took a short break from work in South America to expand his interests to oxygen and hydrogen isotope studies of Mount St...
FIGURES
Image
( A ) False colour Landsat images north of the Salar de Atacama region with...
Published: 01 August 2018
: snow on summits or salt in salar basins. Other colours: volcaniclastic sediments (violet) and older basement rocks (lighter brown). Well-known and/or active stratovolcanoes, some of which are mentioned in this issue, are labeled: Auc: Aucanquilcha; Oll: Ollague; SpSp: San Pedro–San Pablo; CD: Chao
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