Search Results - "Samuelsen, John R"

Radiogenic Pb Enrichment of Mississippi Valley-Type Metallic Ore Deposits, Southern Ozarks: Constraints Based on Geochemical Studies of Source Rocks and Their Diagenetic History by Chick, Jonathan, McKim, Sydney E., Potra, Adriana, Manger, Walter L., Samuelsen, John R.

“…Southern Ozark Mississippi Valley-type ores are enriched in radiogenic Pb, with isotopic signatures suggesting that metals were supplied by two end-member…”
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Geochemical investigations of the Woodford-Chattanooga and Fayetteville Shales; implications for genesis of the Mississippi Valley-type zinc-lead ores in the southern Ozark region and hydrocarbon exploration by Bottoms, Bryan, Potra, Adriana, Samuelsen, John R, Schutter, Stephen R

“…The relationship between base metal deposits, especially Mississippi Valley-type (MVT) Pb-Zn deposits, and hydrocarbons is not well constrained. This is…”
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GEOPHYSICAL INVESTIGATIONS OF LATE FOURCHE MALINE AND EARLY CADDO SETTLEMENT PATTERNING AT THE CRENSHAW SITE (3MI6) by Samuelsen, John R.

“…The Terán-Soule model provides a testable means to establish if the prehistoric settlement pattern of the Caddo in the Great Bend region of the Red River…”
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Multiregional Pb isotopic linear patterns and diagenesis: Isotopes from ancient animal enamel show Native American “foreign war trophies” are local ancestors by Samuelsen, John R., Potra, Adriana

“…Skull burials are found all over the world and often are interpreted to be foreigners, sacrifices, or victims of warfare. The cause of ancient Native American…”
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Biologically available Pb: A method for ancient human sourcing using Pb isotopes from prehistoric animal tooth enamel by Samuelsen, John R., Potra, Adriana

“…This study analyzes Pb isotopes combining biological (ancient human and prehistoric animal teeth) and geological (soil leachate, whole rock, and rock leachate)…”
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Tracing the Origin of Metal Ions in Mississippi Valley-Type Ore Deposits: Constraints from Lead Isotope Studies of Black Shales from the Midcontinent United States by Morris, Noah, Potra, Adriana, Samuelsen, John R.

“…Mississippi Valley-type (MVT) lead-zinc ore deposits found in the midcontinent United States have isotopic signatures that indicate the potential involvement…”
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Basin inversion, drifting and hyper-extension in the Central Atlantic Ocean and Maghrebian Tethys as fluid driving mechanisms for the superimposed base metal mineralization events in the Jbel Bou Dahar carbonate-hosted Pb-Zn-Ba deposits (High Atlas, Morocco) by Bouabdellah, Mohammed, Levresse, Gilles, Boukirou, Wissale, Potra, Adriana, Samuelsen, John R., Caracausi, Antonio, Italiano, Laura, Klügel, Andreas, Yans, Johan, Castorina, Francesca

“…The Early Jurassic Jbel Bou Dahar reef-bearing carbonate platform in the eastern High Atlas, Morocco, contains numerous carbonate-hosted and fault-controlled…”
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A reanalysis of strontium isotopes from a skull and mandible cemetery at the Crenshaw site: Implications for Caddo interregional warfare by Samuelsen, John R.

“…The 352 individuals from a skull and mandible cemetery at the Crenshaw site (3MI6) in southwest Arkansas have been argued to represent non-Caddo victims of…”
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Lead isotope trends and metal sources in the Mississippi Valley-type districts from the mid-continent United States by Potra, Adriana, Garmon, William T., Samuelsen, John R., Wulff, Andrew, Pollock, Erik D.

“…This study identifies metal-contributing source regions for Mississippi Valley-type (MVT) ore deposits in the Northern Arkansas district, the Tri-State…”
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An Isotopic Assessment of Late Prehistoric Interregional Warfare in the Southcentral US by Samuelsen, John R

“…Skull burials are found all over the world. The cause of such ancient Native Americans deposits often lead to disagreement among scholars torn between warfare…”
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Legacy Lead from Past Mining Activity and Gasoline Additives: Evidence from Lead Isotopes and Trace Element Geochemical Studies in the White River Basin, Southern Ozark Region, USA by Potra, Adriana, Ruhl, Laura, Samuelsen, John

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Archaeogeophysical investigations of early Caddo settlement patterning at the Crenshaw site (3MI6) by Samuelsen, John R

“…The Teran map, made during Don Domingo Teran de los Rios' expedition for New Spain, shows a Caddo settlement in 1691 with a vacant mound center and many small…”
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