Chromite deposits at Loma Baya: petrogenesis and clues for the origin of the coastal Guerrero Composite Terrane in Mexico

Jose Gonzalez-Jimenez, Joaquín A. Proenza, Antoni Camprubí, Elena Centeno-García, Eduardo González-Partida, Bill Griffin, Sue O'Reilly, Norman Pearson

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

Abstract

The high-Al podiform Loma Baya chromitite deposits occur hosted within an ultramafic massif representative of ophiolitic mantle produced in a back-arc basin near to the westernmost edge of the Guerrero Composite Terrane, SW Mexico. Such conclusion is drawn from the tholeiitic (i.e., back-arc basin basalt) affinity of the parental melts of the chromitite, deduced from major and trace element distribution in chromite, and the nature of the platinum-group elements mineralization.

Original languageEnglish
Title of host publicationLet's talk ore deposits
Subtitle of host publicationproceedings of the Eleventh Biennial SGA Meeting
EditorsFernando Barra, Martin Reich, Eduardo Campos, Fernando Tornos
Place of PublicationAntofagasta, Chile
PublisherEdiciones Universidad Católica del Nort
Pages604-606
Number of pages3
ISBN (Print)9789562873291
Publication statusPublished - 2011
Event11th SGA Biennial Meeting - Antofagasta, Chile
Duration: 26 Sept 201129 Sept 2011

Conference

Conference11th SGA Biennial Meeting
Country/TerritoryChile
CityAntofagasta
Period26/09/1129/09/11

Keywords

  • chromite deposit
  • platinum-group elements
  • ophiolite
  • back-arc basin
  • Loma Baya
  • Guerrero Composite Terrane
  • Mexico

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