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Fluid evolution in the Pote Shear Zone Harare-Shamva-Bindura greenstone belt (northeast Zimbabwe) by Jan M. Huizenga is a Earth and Planetary Sciences article available to read on EtoBox.

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A fluid inclusion study was completed on syn-deformational quartz veins of the Pote River Shear Zone, which is situated on the border between the Harare-Bindura greenstone belt and the granitoids of the Chinamora Batholith. The fluid inclusions were studied by means of microthermometry and Laser-Raman microspectrometry. The fluid inclusions consist of three major compositional types: (1) H,O-CO, f N, f halite inclusions in clusters and trails; (2) H,O-CO, inclusions (H,O = 30-60 vol.%) in trails; and (3) H,O-halite inclusions in trails. These fluid generations are explained by trapping at different P-Tconditions of two different fluids: a high salinity aqueous fluid and a low salinity H,O-CO, fluid with XH,O around 0.8. High salinity aqueous fluid inclusions are characteristic for the granite-greenstone contact and are absent within the Harare-Shamva-Bindura greenstone belt. The high salinity aqueous fluid has, therefore, been interpreted as magmatic in origin. The low salinity H,O-CO, fluid is most likely metamorphic in origin. o 1999 Elsevier Science Limited. All rights reserved. Rf?SUMi-Cette etude concerne les inclusions fluides d'un filon de quartz syn-cinematique du couloir c

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Author

Jan M. Huizenga

Publisher

Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 1464-343X)

Published

1999

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)