Ernest B. Ledger

Stephen F. Austin State University

Affiliations

College of Sciences and Mathematics

SFA Planetarium

NoneErnest B. Ledger is currently serving as a College Of Sciences And Mathematics faculty at Stephen F. Austin State University.

Honors

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Education

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Ernest B. Ledger

Stephen F. Austin State University

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geology earth science geochemistry ore geology stratigraphy chemical geology applied geochemistry sedimentary geology exploration geology sedimentology geological data east texas structural geology geochemical exploration environmental science nuclear materials palaeogeography regional geology petrology mineral deposits environmental radiochemistry radioactive contamination environmental geology trace element geochemistry metalloid contamination catahoula formation nuclear chemistry nuclear physics nuclear science economic geology ore exploration terrestrial geochemistry ore genesis volcanism sedimentary petrology central texas delayed‐neutron activation determination initial erosion situ weathering materials science physics tectonics coal geology mineral engineering quaternary science tectonophysics geological engineering radioanalytical chemistry nuclear engineering neutron source regional tectonics environmental geochemistry trace elements authigenic mineral formation environmental magnetism trace metals metal contamination palaeo-environmental reconstruction paleoenvironmental reconstruction volcanic process weathering fission track study magnetite morphologies sedimentary uranium deposit live oak county ore petrography uranium source rock eastern texas source rock carbonatite minerals sedimentary uranium deposits

Notable Scholarly Works

Notable Federal Grants

Collaborators

Occurrence of Arsenic and Iron in the Weches Formation of Texas. (2006)

trace metalsgeochemical explorationmetal contaminationchemical geologygeologyenvironmental chemistrymetalloid contaminationtrace element geochemistrygeochemistryore genesisweches formationapplied geochemistry

Regional Distribution of Arsenic in the Weches Formation of East Texas. (2005)

east texasenvironmental geochemistryregional distributionweches formationgeochemical explorationgeologyenvironmental chemistrysedimentologymetalloid contaminationtrace element geochemistrytrace elementsgeochemistryenvironmental scienceapplied geochemistry

Elevated Arsenic Levels in the Weches Formation, Nacogdoches County, Texas. (2003)

environmental toxicologyenvironmental chemistrymetalloid contaminationarsenic levelstoxicology

Determination of Natural Radioactivity in Wilcox Lignite (Eocene), Eastern Texas. (1994)

coal geologygeochemical explorationenvironmental chemistryearth scienceenvironmental radiochemistryeastern texasgeochemistryenvironmental scienceapplied geochemistryterrestrial geochemistry

Anomalous Radionuclide Content of Three Altered Igneous Dikes at Little Rock, Arkansas. Geological Society of America, Abstracts with Programs; (United States) (1993)

nuclear materialsore geologylittle rockvolcanologygeochemical explorationexploration geologychemical geologygeologyradioactive contaminationearth scienceenvironmental radiochemistryigneous dikesgeochemistryanomalous radionuclide contentenvironmental scienceenvironmental geologygeological dataapplied geochemistry

Opal-Ct of Pedogenic Origin in the Fluvial Catahoula Formation (Oligocene/Miocene), Texas Gulf Coastal Plain.. (1989)

palaeo-environmental reconstructiongeologypaleoenvironmental reconstructionsedimentologyearth sciencegeographyquaternary sciencepalaeogeographypaleontologyfluvial catahoula formationpedogenic originsedimentary geologystratigraphy

The Catahoula Formation; a Volcaniclastic Unit in East Texas. Geological Society of America eBooks (1988)

volcanismvolcanologyregional tectonicsgeologyearth sciencepalaeogeographyeast texastectonicsregional geologystratigraphy

Uranium Contents of Carbonatite Minerals, Magnet Cove, Arkansas, U.S.a.. Chemical Geology (1988)

ore geologyexploration geologycarbonatite mineralschemical geologygeologymineral depositsearth sciencegeochemistryapplied geochemistryterrestrial geochemistry

Lithology and Strontium Distribution of De Queen Limestone at Main Highland Gypsum Quarry, Highland, Arkansas. AAPG Bulletin (1987)

ore geologyexploration geologychemical geologygeologyearth sciencede queen limestonestrontium distributiongeochemistryenvironmental scienceauthigenic mineral formationgeological dataapplied geochemistrysedimentary geologystratigraphy

Ore Petrography of a Sedimentary Uranium Deposit, Live Oak County, Texas. Economic Geology (1986)

ore petrographyore geologyeconomic geologyore explorationexploration geologychemical geologygeologysedimentary uranium depositpetrologysedimentologymineral depositslive oak countygeochemistrygeological datasedimentary geologystratigraphy

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