First record of the Late Cretaceous denudation phase in the Admiralty Block (Transantarctic Mountains, northern Victoria Land, Antarctica)

Authors
Balestrieri, ML Bigazzi, G
Citation
Ml. Balestrieri et G. Bigazzi, First record of the Late Cretaceous denudation phase in the Admiralty Block (Transantarctic Mountains, northern Victoria Land, Antarctica), RADIAT MEAS, 34(1-6), 2001, pp. 445-448
Citations number
11
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
RADIATION MEASUREMENTS
ISSN journal
13504487 → ACNP
Volume
34
Issue
1-6
Year of publication
2001
Pages
445 - 448
Database
ISI
SICI code
1350-4487(200106)34:1-6<445:FROTLC>2.0.ZU;2-B
Abstract
Apatite fission-track analysis was performed on 13 granitoid samples of the Devonian Admiralty Intrusive Complex collected along two elevation profile s in the Admiralty Block, northern Victoria Land (NVL), East Antarctica. Th e sample age-elevation diagram shows a break in slope that indicates the pr esence of the Late Cretaceous phase of uplift and denudation already recogn ized in other sectors of NVL. Modeling of data suggests that the rocks may record also an Early Cenozoic pulse of denudation. (C) 2001 Elsevier Scienc e Ltd. All rights reserved.