1-20 OF 64 RESULTS FOR

Pampa del Tamarugal

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Journal: GSA Bulletin
Published: 12 September 2018
GSA Bulletin (2019) 131 (1-2): 155–174.
... situation of natural resources. In this study, we developed a sediment-thickness distribution model for the Pampa del Tamarugal basin (between 20°20′S and 21°30′S, northern Chile), from surface geological information, available wells, and interpretation and depth conversion of 14 seismic-reflection profiles...
FIGURES | View All (9)
Journal Article
Journal: Economic Geology
Published: 01 December 2006
Economic Geology (2006) 101 (8): 1569–1581.
...Matthew I. Leybourne; Eion M. Cameron Abstract The Pampa del Tamarugal in northern Chile is a gravel plain, part of the hyperarid Atacama desert. Soil geochemical surveys over the pampa using partial extraction analyses identified a large, >100-km 2 geochemical anomaly for Cu. Subsequent...
FIGURES | View All (12)
Image
Simplified geologic map of the Tarapacá Basin along the <b>Pampa</b> <b>del</b> <b>Tamarugal</b>...
in > Geosphere
Published: 12 October 2018
Figure 2. Simplified geologic map of the Tarapacá Basin along the Pampa del Tamarugal showing the main structural styles and geologic units exposed, as well as the distribution of the 2D seismic lines and boreholes used in this study. Modified from Tomlinson et al. (2001) , Blanco et al. (2012
Image
Isopach map of the <b>Pampa</b> <b>del</b> <b>Tamarugal</b> basin Oligocene–Holocene fill (20.3°...
Published: 12 September 2018
Figure 8. Isopach map of the Pampa del Tamarugal basin Oligocene–Holocene fill (20.3°S–21.5°S). Four subbasins with fill thickness >700 m are recognized (demarcated with capital letters). The lengths of subbasins are controlled by basement high trends, where fill thickness reaches 500–600 m
Image
Time-space diagram of nonmarine strata in the <b>Pampa</b> <b>del</b> <b>Tamarugal</b> Basin, al...
Published: 01 July 2014
Figure 3. Time-space diagram of nonmarine strata in the Pampa del Tamarugal Basin, along the line of section Z-Z′-Z″ shown in Figure 1 . Formation names are shown. The Z-Z′ segment represents the eastern margin of the basin, after Farías et al. (2005) , von Rotz et al. (2005) , and Nester
Image
RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN <b>PAMPA</b> <b>DEL</b> <b>TAMARUGAL</b> BASIN FIL...
Published: 01 July 2014
TABLE 1. RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN PAMPA DEL TAMARUGAL BASIN FILL
Image
RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN <b>PAMPA</b> <b>DEL</b> <b>TAMARUGAL</b> BASIN FIL...
Published: 01 July 2014
TABLE 1. RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN PAMPA DEL TAMARUGAL BASIN FILL
Image
RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN <b>PAMPA</b> <b>DEL</b> <b>TAMARUGAL</b> BASIN FIL...
Published: 01 July 2014
TABLE 1. RADIOMETRIC DATES OF VOLCANIC DEPOSITS WITHIN PAMPA DEL TAMARUGAL BASIN FILL
Image
Map of geomorphic surfaces of the southern <b>Pampa</b> <b>del</b> <b>Tamarugal</b> Basin (locat...
Published: 01 July 2014
Figure 7. Map of geomorphic surfaces of the southern Pampa del Tamarugal Basin (location shown Fig. 2 ), overlain on a CNES/SPOT image. Coarse-grained facies of alluvial origin are differentiated from lacustrine and salt-pan deposits of the distal (western) region. The sedimentary materials
Image
(A) Qualitative Neogene paleoclimate record for the <b>Pampa</b> <b>del</b> <b>Tamarugal</b> Bas...
Published: 01 July 2014
Figure 11. (A) Qualitative Neogene paleoclimate record for the Pampa del Tamarugal Basin located on the western slope of the Andes, specific to the eastern basin margin at ∼2500 m elevation (∼21°S). Intervals of accumulation of important volumes of sediment, of erosion of large volumes
Image
Schematic perspective drawing of the landforms of the <b>Pampa</b> <b>del</b> <b>Tamarugal</b> B...
Published: 01 July 2014
Figure 15. Schematic perspective drawing of the landforms of the Pampa del Tamarugal Basin and Precordillera mountains. Note the elevation dependence of mean annual precipitation (contours in mountains). Letters indicate the categories of data (listed below sketch) whose geologic properties have
Image
Digital elevation model for the <b>Pampa</b> <b>del</b> <b>Tamarugal</b> and the adjacent mounta...
Published: 01 December 2006
F ig . 3. Digital elevation model for the Pampa del Tamarugal and the adjacent mountains of the Sierra Moreno. Note the channeling at the boundary between the pampa and the mountains where clastic sediments were carried into the basin. Hills rising above the flat basin topography are monadnocks
Journal Article
Journal: GSA Bulletin
Published: 01 July 2014
GSA Bulletin (2014) 126 (7-8): 1016–1046.
...Figure 3. Time-space diagram of nonmarine strata in the Pampa del Tamarugal Basin, along the line of section Z-Z′-Z″ shown in Figure 1 . Formation names are shown. The Z-Z′ segment represents the eastern margin of the basin, after Farías et al. (2005) , von Rotz et al. (2005) , and Nester...
FIGURES | View All (15)
Book Chapter

Series: GSA Memoirs
Published: 01 June 1956
DOI: 10.1130/MEM65-p187
... NORTE GRANDE El Norte Grande lies between the Peruvian border and Lat. 27° S., approximately. Here we find three distinct physiographic units: The Coast Range, the Pampa del Tamarugal, and the Andes. The Coast Range has a mature topography, and its west slope drops abruptly to the ocean from...
Image
P-WAVE VELOCITIES MEASURED FROM BASEMENT AND FILL ROCKS OF <b>PAMPA</b> <b>DEL</b> TAMARU...
Published: 12 September 2018
TABLE 3. P-WAVE VELOCITIES MEASURED FROM BASEMENT AND FILL ROCKS OF PAMPA DEL TAMARUGAL BASIN
Image
Photographs of surfaces (A, B, C) and soils (D) in the southern <b>Pampa</b> <b>del</b> T...
Published: 01 July 2014
Figure 6. Photographs of surfaces (A, B, C) and soils (D) in the southern Pampa del Tamarugal Basin, for young and old geomorphic surfaces. A and B correspond to the youngest alluvial fans (stage NV), and C and D correspond to an abandoned alluvial fan deposited during stage NIIa. (A) View east
Image
(A) Modern rainfall, soil properties, and vegetation for the <b>Pampa</b> <b>del</b> Tama...
Published: 01 July 2014
Figure 13. (A) Modern rainfall, soil properties, and vegetation for the Pampa del Tamarugal valley and upland Precordillera mountains. Inclined line approximates the variation in mean annual rainfall (MAR) with altitude for the region of interest ( Fig. 2 ), based on multi-year records from
Image
A. δD vs. δ 18 O in <b>Tamarugal</b> and Spence ground waters and in ground waters...
Published: 01 December 2006
F ig . 9. A. δD vs. δ 18 O in Tamarugal and Spence ground waters and in ground waters from the northern part of the Pampa del Tamarugal by Fritz et al. (1981) . B. SO 4 vs. Cl in Tamarugal and Spence ground waters. C. δ 34 S vs. Cl in Tamarugal and Spence ground waters. D. S/Se ratio vs. Cl
Image
SOIL AND PALEOSOL PROPERTIES AND THE NATURE OF THE TOP SURFACE OF SOILS IN ...
Published: 01 July 2014
TABLE 4. SOIL AND PALEOSOL PROPERTIES AND THE NATURE OF THE TOP SURFACE OF SOILS IN THE SOUTHERNMOST PAMPA DEL TAMARUGAL
Journal Article
Journal: Geosphere
Published: 12 October 2018
Geosphere (2018) 14 (6): 2430–2446.
...Figure 2. Simplified geologic map of the Tarapacá Basin along the Pampa del Tamarugal showing the main structural styles and geologic units exposed, as well as the distribution of the 2D seismic lines and boreholes used in this study. Modified from Tomlinson et al. (2001) , Blanco et al. (2012...
FIGURES | View All (10)