Tibetan Magmatism Database

James B. Chapman; Paul Kapp

doi:10.1002/2017GC007217

Tibetan Magmatism Database

James B. Chapman, Paul Kapp

Geosciences

Research output: Contribution to journal › Article › peer-review

68 Scopus citations

Abstract

A database containing previously published geochronologic, geochemical, and isotopic data on Mesozoic to Quaternary igneous rocks in the Himalayan-Tibetan orogenic system are presented. The database is intended to serve as a repository for new and existing igneous rock data and is publicly accessible through a web-based platform that includes an interactive map and data table interface with search, filtering, and download options. To illustrate the utility of the database, the age, location, and ɛHf_t composition of magmatism from the central Gangdese batholith in the southern Lhasa terrane are compared. The data identify three high-flux events, which peak at 93, 50, and 15 Ma. They are characterized by inboard arc migration and a temporal and spatial shift to more evolved isotopic compositions.

Original language	English (US)
Pages (from-to)	4229-4234
Number of pages	6
Journal	Geochemistry, Geophysics, Geosystems
Volume	18
Issue number	11
DOIs	https://doi.org/10.1002/2017GC007217
State	Published - Nov 2017

Keywords

Himalaya
Tibet
geochemical
geochronologic
igneous
isotopic

ASJC Scopus subject areas

Geophysics
Geochemistry and Petrology

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10.1002/2017GC007217

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abstract = "A database containing previously published geochronologic, geochemical, and isotopic data on Mesozoic to Quaternary igneous rocks in the Himalayan-Tibetan orogenic system are presented. The database is intended to serve as a repository for new and existing igneous rock data and is publicly accessible through a web-based platform that includes an interactive map and data table interface with search, filtering, and download options. To illustrate the utility of the database, the age, location, and ɛHft composition of magmatism from the central Gangdese batholith in the southern Lhasa terrane are compared. The data identify three high-flux events, which peak at 93, 50, and 15 Ma. They are characterized by inboard arc migration and a temporal and spatial shift to more evolved isotopic compositions.",

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AU - Chapman, James B.

AU - Kapp, Paul

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AB - A database containing previously published geochronologic, geochemical, and isotopic data on Mesozoic to Quaternary igneous rocks in the Himalayan-Tibetan orogenic system are presented. The database is intended to serve as a repository for new and existing igneous rock data and is publicly accessible through a web-based platform that includes an interactive map and data table interface with search, filtering, and download options. To illustrate the utility of the database, the age, location, and ɛHft composition of magmatism from the central Gangdese batholith in the southern Lhasa terrane are compared. The data identify three high-flux events, which peak at 93, 50, and 15 Ma. They are characterized by inboard arc migration and a temporal and spatial shift to more evolved isotopic compositions.

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Tibetan Magmatism Database

Abstract

Keywords

ASJC Scopus subject areas

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