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Discussion on the genesis of uranium-producing pegmatite in Shangdan area

Journal Article:

Abstract

This paper describes the characteristics of uranium-producing pematite, gneissic granodiorite metamorphic rocks of the Qinling Group in such aspects as petrochemical compositions, contents of trace elements (Rb and Sr etc.), initial ratio of strontium isotopes and assemblage types of accessory minerals. Through the comparison between U-barren pegmatite within the massif and U-producing pegmatite outside the massif, and the study on Sm and Nd isotope tracers, a viewpoint is presented that the U-producing pegmatite veins resulted from slow crystallization of granitic magma under relatively confined condition produced from the selective melting of the Qinling Group metamorphic rocks rather than residual magmatic crystallization from the late-stage magmatic differentiation of gneissic granodiorite (T{sub DM} is about 10 Ma).
Authors:
Mingyue, Feng [1] 
  1. Beijing Research Inst. of Uranium Geology (China)
Publication Date:
Jan 01, 1996
Product Type:
Journal Article
Reference Number:
SCA: 050100; PA: AIX-27:040787; EDB-96:084811; SN: 96001598722
Resource Relation:
Journal Name: Uranium Geology (Youkuang Dizhi); Journal Volume: 12; Journal Issue: 1; Other Information: PBD: Jan 1996
Subject:
05 NUCLEAR FUELS; URANIUM DEPOSITS; MINERALIZATION; PEGMATITES; BIOTITE; CHINA; CONCENTRATION RATIO; ISOTOPE RATIO; ORE COMPOSITION; RUBIDIUM; STRONTIUM; STRONTIUM ISOTOPES; TRACER TECHNIQUES
OSTI ID:
235275
Country of Origin:
China
Language:
Chinese
Other Identifying Numbers:
Journal ID: YODIEX; TRN: CN9601172040787
Submitting Site:
INIS
Size:
pp. 30-36
Announcement Date:
Jun 17, 1996

Journal Article:

Citation Formats

Mingyue, Feng. Discussion on the genesis of uranium-producing pegmatite in Shangdan area. China: N. p., 1996. Web.
Mingyue, Feng. Discussion on the genesis of uranium-producing pegmatite in Shangdan area. China.
Mingyue, Feng. 1996. "Discussion on the genesis of uranium-producing pegmatite in Shangdan area." China.
@misc{etde_235275,
title = {Discussion on the genesis of uranium-producing pegmatite in Shangdan area}
author = {Mingyue, Feng}
abstractNote = {This paper describes the characteristics of uranium-producing pematite, gneissic granodiorite metamorphic rocks of the Qinling Group in such aspects as petrochemical compositions, contents of trace elements (Rb and Sr etc.), initial ratio of strontium isotopes and assemblage types of accessory minerals. Through the comparison between U-barren pegmatite within the massif and U-producing pegmatite outside the massif, and the study on Sm and Nd isotope tracers, a viewpoint is presented that the U-producing pegmatite veins resulted from slow crystallization of granitic magma under relatively confined condition produced from the selective melting of the Qinling Group metamorphic rocks rather than residual magmatic crystallization from the late-stage magmatic differentiation of gneissic granodiorite (T{sub DM} is about 10 Ma).}
journal = {Uranium Geology (Youkuang Dizhi)}
issue = {1}
volume = {12}
journal type = {AC}
place = {China}
year = {1996}
month = {Jan}
}