Southern Hemisphere Cretaceous - Cenozoic paleoceanographic and paleoclimatic events II : foraminiferal and dinoflagellate biostratigraphy of southern Patagonian field collections (March - April 2000)

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Morgans, H.E.G.; Wilson, G.J.; Strong, C.P; Crundwell, M.P. 2000 Southern Hemisphere Cretaceous - Cenozoic paleoceanographic and paleoclimatic events II : foraminiferal and dinoflagellate biostratigraphy of southern Patagonian field collections (March - April 2000). Lower Hutt: Institute of Geological & Nuclear Sciences. Institute of Geological & Nuclear Sciences science report 2000/19 15 p.

Abstract: A field party of GNS and Oxford geologists visited southern Patagonia (Chile) during March-April 2000. A variety of samples were collected. For this report ninety-nine foraminiferal samples were processed from sections, well, and isolated outcrop samples. One sample (MP24) from the Arauco Basin (Central Chile) is also included in this report. Sample assessment constitutes the main purpose of this investigaiton. The primary aims are, first, to establish the degree to which the samples are fossilferous, and second, to record the presence of any key planktic or benthic foraminiferal species used for recognising New Zealand's Cretacous and Cenozoic Series and Stages. More simply put, are foraminifers present, and if so, is the New Zealand biostratigraphic scheme applicable in Southern South America? Identification and description of those foraminifers not readily reconisable as New Zealand taxa, and perhaps representing endemic Southern South American species, is beyond the scope of this report. (auth)