Skip to main content

Central Andean Transect: Nazca Plate to Chaco Plains, Southwestern Pacific Ocean, Northern Chile, and Northern Argentina

Central Andean Transect: Nazca Plate to Chaco Plains, Southwestern Pacific Ocean, Northern Chile, and Northern Argentina

R. Omarini (Editor), H.-J. Gotze (Editor)

ISBN: 978-1-118-66790-3

Mar 2013, American Geophysical Union

30 pages

Select type: Online Book

Description

Published by the American Geophysical Union as part of the Global Geoscience Transects Series, Volume 6.

The Global Geoscience Transects Project (GGT) is an ambitious international effort that draws together geoscientists in a variety of disciplines to produce the best possible portrayal of the composition and structure of the Earth's crust. Since its inception in 1985, GGT has encouraged geoscientists in all countries of the world to compile cross sections of the Earth up to a few thousands of kilometers in length and drawn to the base of the crust using all available geological, geophysical, and geochemical information. Transects are drawn to common scales and formats so that the Earth's crust in different parts of the world can be directly compared.

GGT was conceived by the Inter-Union Commission on the Lithosphere (ICL), a "child" of the International Union of Geological Sciences and the International Union of Geodesy and Geophysics (IUGG), at the IASPEI conference in Tokyo in August 1985. Project coordinators James W. H. Monger and Hans-Jurgen Götze organized a multidisciplinary, multinational committee that coordinated the global project. Meeting at the IUGG XIX General Assembly in Vancouver in August 1987, the committee developed preliminary guidelines for transect compilations, following suggestions from transect compilers. Proposals for transects were solicited from ICL national committees, government geoscience agencies, universities, and scientists. A total of 140 proposals were received from Africa (41), South America (30), China (18), USSR (12), USA (12), Europe (12), Australia and New Zealand (11), India (3), and Southeast Asia (1).

LIST OF AUTHORS AND AFFILIATIONS 3

PREFACE  4

GEOLOGICAL DEVELOPMENT AND STRUCTURES   5
R. Omarini, K. Reutter and T. Bogdanic

THE CRUSTAL STRUCTURE ALONG THE CENTRAL ANDEAN TRANSECT  DERIVED FROM SEISMIC REFRACTION INVESTIGATIONS  14
P J. Wigger, M. Araneda, P. Giese, W.-D. Heinsohn, P. Rower, M. Schmitz and I. Viramonte


THE GRAVITY DATA BASE OF THE TRANSECT COMPILATION 21
H.-J. Gotze, B. Lahmeyer, S. Schmidt, S. Strunk M. Araneda, G. Chong and J. Viramonte

A CROSS-SECTION OF ELECTRICAL RESISTIVITY STRUCTURE ALONG THE CENTRAL ANDEAN TRANSECT  25
G. Schwarz, V. Rath and D. Kruger

THE DIGITIZATION OF TRANSECT MATERIAL  27
S. Schmidt, J. Palmer, H.-I. Gotze, G. Goltz, M. Alvers, Th. Karnbrock, Ch. Kolax and B. Heber

APPENDIX I: CONTENT OF TRANSECT DATA FILES  31