Ross Embayment till provenance from sand petrography
Entry ID: Ross_Embayment_till_provenance

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Summary
Abstract: Sand petrographic data were collected on the 500-2000 micron fraction of
LGM-age till from the Ross Embayment. Moraine samples from the Beardmore,
Byrd, Darwin/Hatherton Glaciers, Mt. Achernar and Allan Hills were obtained
from Dr. Gunter Faure (Ohio State) and Dr. James Bockheim (U. of Wisconsin,
Madison). Samples of till from beneath the Siple Coast Ice Streams were
obtained from Dr. Hermann Engelhardt (Cal Tech). Ross Sea till samples were
obtained from the Antarctic Marine Geology Research Facility (FSU). A few
grams of unsieved splits of most of the samples, as well as the grain mounts of
the sand fraction are housed at the Sediment Analysis Lab at IUPUI. The data
generated from this project include percentage data of mineral and lithic
fragments, particle size distributions and elemental abundance. Isotopic
analyses of the samples were completed by Dr. Lang Farmer (Univ. of Colorado,
Boulder).

Geographic Coverage
 N: -62.83 S: -90.0  E: 180.0  W: -180.0

Paleo_Temporal_Coverage
Paleo Start Date: ~35ka
Paleo Stop Date: ~14ka
Chrono Unit:


Location Keywords
CONTINENT > ANTARCTICA > ROSS EMBAYMENT
GEOGRAPHIC REGION > ARCTIC
GEOGRAPHIC REGION > POLAR


Science Keywords
LAND SURFACE >EROSION/SEDIMENTATION >SEDIMENT COMPOSITION    [Definition]
PALEOCLIMATE >LAND RECORDS >GLACIATION    [Definition]
PALEOCLIMATE >OCEAN/LAKE RECORDS >SEDIMENTS    [Definition]
CRYOSPHERE >GLACIERS/ICE SHEETS >GLACIER MOTION/ICE SHEET MOTION    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
GEOSCIENTIFIC INFORMATION
INLAND WATERS
OCEANS


Keywords
till
moraine
particle size distributions
lithic fragments
mineral fragments
sediments
sand petrography
elemental abundances
isotopic analyses
provenance


Data Center
Department of Geology, Indiana University-Purdue University at Indianapolis    [Information]
Data Center URL: http://www.geology.iupui.edu/

Data Center Personnel
Name: KATHY J. LICHT
Phone: 317-278-1343
Email: klicht at iupui.edu
Contact Address:
Geology Dept., SL118
Indiana Univ.-Purdue Univ. at Indianapolis
723 W. Michigan St.
City: Indianapolis
Province or State: IN
Postal Code: 46202
Country: USA


Personnel
KATHY J. LICHT
Role: INVESTIGATOR
Phone: 317-278-1343
Email: klicht at iupui.edu
Contact Address:
Geology Dept., SL118
Indiana Univ.-Purdue Univ. at Indianapolis
723 W. Michigan St.
City: Indianapolis
Province or State: IN
Postal Code: 46202
Country: USA


R. JEFFREY SWOPE
Role: INVESTIGATOR
Phone: 317-278-0132
Fax: 317-274-7966
Email: rjswope at iupui.edu
Contact Address:
723 W. Michigan St., Room SL118
Geology Department
City: Indianapolis
Province or State: IN
Postal Code: 46202
Country: USA


Publications/References
Lederer, J.R., Licht, K.J., and Swope, R.J., accepted. Provenance of LGM
Glacial Till (sand fraction) across the Ross Embayment, Antarctica. Quaternary
Science Reviews.

Farmer, G.L., Licht, K., Andrews, J.T., and Swope, R.J., 2004. Radiogenic
Isotope Provenance Studies of Glacial Tills in Ross Sea and Vicinity,
Antarctica. Arctic Worshop Abstract Volume, p.56.

Lederer, J., Licht, K.J., and Swope, R.J., 2003. Provenance of Ross Sea till.
XVI INQUA Congress Abstracts with Programs, p. 237-238.

Lederer, J.R., Licht, K.J., and Swope, R.J., 2003. Provenance of Ross Sea till
and implications for LGM ice flow paths. West Antarctic Ice Sheet Initiative,
Tenth Annual Workshop, Agenda and Abstracts, Algonkian Meeting Center,
Sterling, VA, p. 5.

Licht, K.J., and Lederer, J.R., 2003. A comparison of particle size
distributions in Ross Embayment tills. West Antarctic Ice Sheet Initiative,
Tenth Annual Workshop, Agenda and Abstracts, Algonkian Meeting Center,
Sterling, VA, p. 67.

Lederer, J., Swope, R.J., and Licht, K.J., 2002. Provenance of Ross Sea till
from sand petrography. Eos Trans. AGU, 83(47), Fall Meet. Supplement, Abstract
PP11C-12, p. 312.

Farmer, G.L., Licht, K.J., Andrews, J.T., and Swope, R.J., 2002. Neodymium
Isotope Studies of Provenance of Glacial Tills in Ross Sea and Vicinity,
Antarctica. GSA Abstracts with Programs Vol. 34, No. 6, p. 504.

Lederer, J.R., Swope, R.J., and Licht, K.J., 2002. Sand Petrography of Tills
in the Ross Embayment, Antarctic Source Terranes. GSA Abstracts with Programs
Vol. 34, No. 6, p. 324.

Creation and Review Dates
DIF Creation Date: 2004-08-25
Last DIF Revision Date: 2010-07-02

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