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| Titel: |
Stratigraphic subdivision and correlation of the upper part of the Willyama Complex, New South Wales |
| Auteur: |
Tuckwell, K. D. |
| Verschenen in: |
Australian journal of earth sciences |
| Paginering: | Jaargang 25 (1978) nr. 5-6 pagina's 295-308 |
| Jaar: |
1978-09 |
| Inhoud: |
Within the complexly deformed and metamorphosed middle Precambrian Willyama Complex in western New South Wales, two distinct sedimentary sequences are recognized at the top of the succession. The fine-grained carbonaceous Bijerkerno Beds conformably overlie a very thick psammopelitic unit termed the Wookookaroo Beds. These two sequences record different depositional histories, though they probably have similar source areas. The base of the Wookookaroo Beds is terminated against a significant tectono-stratigraphic boundary, which may represent a major stratigraphic break within the Willyama Complex. Beneath this boundary, felsic and mafic gneisses and high-grade metasediments are correlated with mine-sequence rocks such as are developed within the vicinity of the main Broken Hill lode. Correlations between the stratigraphy, as established at Bijerkerno, and other areas from the Willyama Complex, help provide a fuller understanding of this Precambrian terrain. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 12 van 14 gevonden artikelen
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