Authors / CoAuthors
Blewett, R.S. | Wellman, P. | Ratajkoski, M. | Huston, D.L.
Abstract
The early to mid Archaean Pilbara Craton is one of the best exposed and least dismembered granite/greenstone terrane in the world, and is an excellent study area of early earth evolution. The Pilbara Craton records successive greenstone sequences (>3515 Ma to 2950 Ma) deposited on a gneissic (tonalite-trondhjemitegranite) crust (<3650 Ma) in a series of synclinal troughs that envelope large (> 100 km diameter) composite ovoid granitoid complexes (3650 Ma to 2850 Ma). The mineral potential of the Pilbara Craton has been generally down played by industry and the area has thus not received the intense exploration industry focus seen in the Yilgarn Craton (especially the Neo-Archaean Eastern Goldfields) to the south. The Pilbara Craton differs fundamentally from many other granite/greenstone terranes in terms of its tectonic evolution and metallogenesis.
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document
eCat Id
32105
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Cnr Jerrabomberra Ave and Hindmarsh Dr GPO Box 378
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Keywords
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- GA PublicationAtlas
- ( Theme )
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- geology
- ( Theme )
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- geophysics
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- AU-WA
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Earth Sciences
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- Published_External
Publication Date
2000-01-01T00:00:00
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Topic Category
geoscientificInformation
Series Information
2000/004
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Unknown
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[-22.0, -20.0, 116.0, 122.0]
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