Palynology of the Cenomanian of Bathurst Island, N. Territory, Australia Geology

Description: PALYNOLOGY OF THE CENOMANIAN OF BATHURST ISLAND, NORTHERN TERRITORY, AUSTRALIABy M.S. Norvick; D. Burger 1976 first edition Australian Government Publishing Service (Canberra, Australia) 7 x 10 1/4 inches tall blue cloth hardbound, 169 pp. plus 34 full-page plates with descriptions on the facing pages. Authors' presentation copy with ink notation to Dr. Richard Scott (1970 author of 'Aspects of Palynology') on front free-endpaper. Errata sheet laid in. Small ink number to upper corner of front cover and front free-endpaper. Rubbing, edgewear and abrasions to covers. Actual date of publication of 1976 noted in ink to title page and copyright page. Otherwise, a very good to near fine copy - clean, bright and unmarked. Bathurst Island lies north of Darwin, Northern Territory, Australia. It measures 2050 km2 Cenomanian marine argillaceous sediments are exposed in cliffs at the south coast, and were first reported and diagnosed to be of Cretaceous age by Daily in 1955. Molluscs collected from various outcrop localities were dated mid- to late Cenomanian by Wright in 1963. Gravity and seismic refraction surveys by petroleum companies since 1956 established the presence of a considerable rock sequence of Mesozoic age. Subsequent regional field work by the BMR concluded that the Cenomanian strata probably accumulated in a shallow sea bordered in the north by scattered land areas. Two wells, Bathurst Island Nos. I and 2, penetrated the rock sequence at the south coast of the island to a depth of slightly over 300 m, and were continuously cored. Examination of ammonites and foraminifera established the sequence as Cenomanian to possibly lower Turonian. Samples from 20 cores from these wells were selected for palynological study. The results are presented in this Bulletin.

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