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Cambrian rocks and faunas of the Wachi La, Black Mountains, Bhutan

Hughes, Nigel C; Myrow, Paul M; McKenzie, N. Ryan; Harper, D.A.T.; Bhargava, Om N.; Tangri, S.K.; Ghalley, K.S.; Fanning, Christopher


The Pele La Group in the Wachi La section in the Black Mountains of central Bhutan represents the easternmost exposure of Cambrian strata known in the Himalaya. The group contains a succession of siliciclastic rocks with minor amounts of carbonate, the uppermost unit of which, the Quartzite Formation, bears age-diagnostic trilobite body fossils that are approximately 493 Ma old. Trilobite species include Kaolishania granulosa, Taipaikia glabra and the new species Lingyuanaspis sangae. A...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Geological Magazine
DOI: 10.1017/S0016756810000750


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