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Implications of SHRIMP and microstructural data on the age and kinematics of shearing in the Asir terrane, southern Arabian Shield, Saudi Arabia

Gondwana Research

By:
, , and
DOI:10.1016/S1342-937X(05)70683-3

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Abstract

The Asir terrane consists of north-trending belts of variably metamorphosed volcanic, sedimentary, and plutonic rocks that are cut by numerous shear zones (Fig. 1). Previous workers interpreted the shear zones as sutures, structures that modify earlier sutures, or structures that define the margins of tectonic belts across which there are significant lithologic differences and along which there may have been major transposition (Frisch and Al-Shanti, 1977; Greenwood et al., 1982; Brown et al., 1989). SHRIMP data from zircons (Table 1) and sense-of-shear data recently acquired from selected shear zones in the terrane help to constrain the minimum ages and kinematics of these shearing events and lead to an overall model of terrane assembly that is more complex than previously proposed. 

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Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Implications of SHRIMP and microstructural data on the age and kinematics of shearing in the Asir terrane, southern Arabian Shield, Saudi Arabia
Series title:
Gondwana Research
DOI:
10.1016/S1342-937X(05)70683-3
Volume:
4
Issue:
2
Year Published:
2001
Language:
English
Publisher:
International Association for Gondwana Research
Publisher location:
Osaka, Japan
Description:
2 p.
First page:
172
Last page:
173
Country:
Saudi Arabia
Online Only (Y/N):
N
Additional Online Files (Y/N):
N