EXHUMATION DURING CRUSTAL FOLDING IN THE NAMCHE-BARWA SYNTAXIS

Authors
BURG JP DAVY P NIEVERGELT P OBERLI F SEWARD D DIAO ZZ MEIER M
Citation
Jp. Burg et al., EXHUMATION DURING CRUSTAL FOLDING IN THE NAMCHE-BARWA SYNTAXIS, Terra nova, 9(2), 1997, pp. 53-56
Citations number
28
Categorie Soggetti
Geosciences, Interdisciplinary
Journal title
Terra nova → ACNP
ISSN journal
09544879
Volume
9
Issue
2
Year of publication
1997
Pages
53 - 56
Database
ISI
SICI code
0954-4879(1997)9:2<53:EDCFIT>2.0.ZU;2-D
Abstract
Geological observation in the eastern end of the Himalaya shows that t he Asia/India Suture is folded. Metamorphic rocks derived from India o ccur structurally below the suture, in the core of a regional antiform , Isotopic and fission track dating establish cooling-exhumation of ro cks from c.30 km depth within the last 4 Myr. We argue that exhumation is caused by approximate to 10 mm yr(-1) erosion coeval with crustal scale folding.