Geochronology

Results: 1567



#Item
331Cretaceous / Cenozoic / Geochronology / Paleocene / Seymour Island / Maastrichtian / Danian / Seymour / Tertiary / Geologic time scale / Phanerozoic / Geology

weather wave base. The sequence shallows up in to grainstones with some bidirectional cross-bedded intraclastic grainstones indicative of tidally influenced deposition and further shallows into white-weathering fenestral

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Language: English - Date: 2011-05-06 21:18:02
332Geochronology / Geologic time scale / Earth sciences / Chronostratigraphy / Eonothem / Global Boundary Stratotype Section and Point / Stage / Erathem / System / Geology / Historical geology / Stratigraphy

Chronostratigraphy and geochronology: A proposed realignment Jan Zalasiewicz, Dept. of Geology, University of Leicester, University Road, Leicester LE1 7RH, UK; Maria Bianca Cita, Dept. of Earth Sciences, University of M

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Source URL: www.geosociety.org

Language: English - Date: 2013-02-26 17:48:37
333Geochronology / Ice core / Incremental dating / Water ice / Antarctica / Argon / Ice shelf / Particulates / Byrd Glacier / Physical geography / Geography of Antarctica / Pollution

John Splettstoesser coordinated our logistical needs. Our field measurements were made by Charles Swithinbank, James Fastook, Tad Pfeffer, Mark Hyland, Jeff Lingham, Henry Brecher, and T. Hughes, with full cooperation of

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Language: English - Date: 2011-05-06 06:17:49
334Earth / Ice core / Incremental dating / Water ice / Dome C / Core sample / Glacier / Snow / Dye 3 / Physical geography / Geology / Geochronology

from depths up to about 2 kilometers were successfully recorded, but noise generated by the computer and by the power supplies drowned out the deeper signals. It is possible, however, that we can recover deeper echoes fr

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Language: English - Date: 2011-05-06 03:27:04
335Incremental dating / Water ice / Extreme points of Earth / Cold Regions Research and Engineering Laboratory / Antarctica / Ross Ice Shelf / Dome C / Greenland Ice Sheet Project / Physical geography / Geochronology / Ice core

operated in the field in Antarctica. Since this equipment requires much smaller samples, it will be possible to increase the resolution with which the yearly snow layers can be examined by a factor of at least five over

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Language: English - Date: 2011-05-06 05:47:08
336Glacial landforms / Ice sheets / Geochronology / Bindschadler Ice Stream / Whillans Ice Stream / Glacier / Dye 3 / West Antarctic Ice Sheet / Crevasse / Physical geography / Geography of Antarctica / Glaciology

anisotropically distributed about a nonvertical axis. Most experiments, except the long-refraction shooting, were carried out along three separate azimuths. Good receiver coverage on the long-refraction profile made it p

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Language: English - Date: 2011-05-06 04:10:14
337Meteorite types / Astrophysics / Nuclear chemistry / Geochronology / Meteorite / Lunar meteorite / Cosmogenic nuclide / Cosmochemistry / Iron meteorite / Chemistry / Physics / Nuclear physics

References Dennison, J.E., and M.E. Lipschutz. In press. Chemical studies of H chondrites-11. Weathering effects in the Victoria Land antarctic population. Geochimica et Cosmochimica Acta. Dennison, J.E., D.W. Lingner, a

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Language: English - Date: 2011-05-06 18:16:15
338Antarctica / Ice core / Dye 3 / Physical geography / Geochronology / Dome C

embedded in thin copper plates. Analysis of the data obtained is in progress. A strain figure was established at the dome C camp and at the site 100 kilometers grid east from the camp using surveying instruments on loan

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Language: English - Date: 2011-05-06 03:27:09
339Micropaleontology / Deep Sea Drilling Program / Miocene / Neogene / Geology / Geochronology / Historical geology / Paleontology / Marine geology / Fossils

these cores are those that did contain microfossils. Smear slides examined from 16 other cores were found to be completely barren of microfossils. The two sample intervals given in the table for those found to be barren

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Language: English - Date: 2011-05-06 03:30:01
340Glaciology / Geochronology / Incremental dating / Climate history / Ice core / Water ice / Ice age / Antarctica / Volcanic ash / Physical geography / Geology / Historical geology

T. Dochat, C. Lagerbom, B. Overturf, R. Verow, and J. Whittier assisted in the field. This work has benefitted from discussions with T. Dochat, D. Marchant, C. SchlUchter, and D. Sugden. Research was supported by Nationa

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Language: English - Date: 2011-05-06 17:28:03
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