AGSO phanerozoic timescale 1995: wallchart and explanatory notes
Oxford University Press, Jul 18, 1996 - Medical - 32 pages
This colorful wall chart and companion guidebook represent a compilation of the history and current status of the major subdivisions of the Phanerozoic Eon; they are derived from the detailed charts presented in An Australian Phanerozoic Timescale. The wallchart displays a linear timescale for the Phanerozoic taken to the level of stages; a non-linear scale for the Precambrian is included to show the fullness of geologic time. The Explanatory Notes describe briefly each time period: its history, definition of its base in terms of isotopic and biostratigraphic data, and its subdivision into series and stages. AGSO Phanerozoic Timescale 1995 integrates standard European time units and Australian Cambrian and Ordovician stages. This scale is significant for global correlation of Phanerozoic sequences and their biotas. It will be useful to resource exploration companies, geological surveys, university and school students, and individual professional and amateur geologists.
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Adelaidean AGSO Alcheringa ammonites ammonoid Ar/”Ar age Archaean assemblages Astronomical calibration Australia Cambrian Australian Phanerozoic Timescale base Basin biochronologic biostratigraphic Biostratigraphic Chart biotas biozonations boundary stratotype Bulletin Bureau of Mineral Burger Cainozoic calcareous nannofossils Carboniferous Chart and Explanatory chronometric Claoué-Long Compston conodonts correlation deﬁned Devonian dinocysts Early Ediacaran Period Eocene Explanatory Notes faunas ﬁrst appearance foraminiferids fossil geochronology geologic timescale Geological Magazine Geological Society Glaessner global stratigraphic graptolite Harland Hess Hilgen interpolation Iohn Iones Ioumal isotopic Iurassic Late Cambrian Late Cretaceous Laurie Lippolt Maastrichtian magnetostratigraphic major subdivisions Mineral Resources Murchison Neoproterozoic Neues Iahrbuch non-marine Odin Oligocene Ordovician Palaeozoic Paleogene Paproth Permian Phanerozoic Eon planktic Precambrian Quaternary Queensland radiometric ratiﬁed recognised rocks Sedgwick sedimentary Shaﬁk Shergold signiﬁcant Silurian South Australia Special Publication stage boundaries standard strata stratigraphic scale stratotype section Tertiary Timescale Calibration Triassic type area volcanic Western Australia zircon zircon age zircon U/Pb zonal schemes zonations