Search Results - "Chapman, James B."

Quantifying Crustal Thickness in Continental Collisional Belts: Global Perspective and a Geologic Application by Hu, Fangyang, Ducea, Mihai N., Liu, Shuwen, Chapman, James B.

“…We present compiled geochemical data of young (mostly Pliocene-present) intermediate magmatic rocks from continental collisional belts and correlations between…”
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A new method for estimating parent rock trace element concentrations from zircon by Chapman, James B., Gehrels, George E., Ducea, Mihai N., Giesler, Nicky, Pullen, Alex

“…Zircon/bulk rock REE partition coefficients from natural samples correlate with REE concentration in zircon. The correlation is the strongest for the LREE and…”
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Quaternary tectonic response to intensified glacial erosion in an orogenic wedge by Berger, Aaron L, Worthington, Lindsay A, Chapman, James B, Pavlis, Terry L, Ridgway, Kenneth D, Willems, Bryce A, Gulick, Sean P. S, Jaeger, John M, McAleer, Ryan J, Spotila, James A, Upton, Phaedra

“…Active orogens are thought to behave as internally deforming critical-taper wedges that are in rough long-term equilibrium with tectonic influx and erosional…”
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Quantitatively Tracking the Elevation of the Tibetan Plateau Since the Cretaceous: Insights From Whole‐Rock Sr/Y and La/Yb Ratios by Hu, Fangyang, Wu, Fuyuan, Chapman, James B., Ducea, Mihai N., Ji, Weiqiang, Liu, Shuwen

“…Crustal thickness, elevation, and Sr/Y and (La/Yb)N of magmatic rocks are strongly correlated for subduction‐related and collision‐related mountain belts. We…”
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Quantifying crustal thickness over time in magmatic arcs by Profeta, Lucia, Ducea, Mihai N., Chapman, James B., Paterson, Scott R., Gonzales, Susana Marisol Henriquez, Kirsch, Moritz, Petrescu, Lucian, DeCelles, Peter G.

“…We present global and regional correlations between whole-rock values of Sr/Y and La/Yb and crustal thickness for intermediate rocks from modern…”
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Himalayan-like Crustal Melting and Differentiation in the Southern North American Cordilleran Anatectic Belt during the Laramide Orogeny: Coyote Mountains, Arizona by Chapman, James B, Pridmore, Cody, Chamberlain, Kevin, Haxel, Gordon, Ducea, Mihai

“…The southern US and northern Mexican Cordillera experienced crustal melting during the Laramide orogeny (c. 80–40 Ma). The metamorphic sources of melt are not…”
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Beveling the Colorado Plateau: Early Mesozoic Rift‐Related Flexure Explains Erosion and Anomalous Deposition in the Southern Cordilleran Foreland Basin by Chapman, James B., DeCelles, Peter G.

“…Deposition of the Late Jurassic Morrison Formation in a back‐bulge depozone and formation of the overlying sub‐Cretaceous unconformity above a forebulge mark…”
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Does Large‐Scale Crustal Flow Shape the Eastern Margin of the Tibetan Plateau? Insights From Episodic Magmatism of Gongga‐Zheduo Granitic Massif by Hu, Fangyang, Wu, Fu‐Yuan, Ducea, Mihai N., Chapman, James B., Yang, Lei

“…The mechanisms driving crustal deformation and uplift of orogenic plateaus are fundamental to continental tectonics. Large‐scale crustal flow has been…”
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Episodic Late Cretaceous to Neogene crustal thickness variation in southern Tibet by Sundell, Kurt E., Laskowski, Andrew K., Howlett, Caden, Kapp, Paul, Ducea, Mihai, Chapman, James B., Ding, Lin

“…Recent advancements in quantitatively estimating the thickness of Earth's crust in the geologic past provide an opportunity to test hypotheses explaining the…”
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The Tajik Basin: A composite record of sedimentary basin evolution in response to tectonics in the Pamir by Chapman, James B., Carrapa, Barbara, DeCelles, Peter G., Worthington, James, Mancin, Nicoletta, Cobianchi, Miriam, Stoica, Marius, Wang, Xin, Gadoev, Mustafo, Oimahmadov, Ilhomjon

“…Investigation of a >6‐km‐thick succession of Cretaceous to Cenozoic sedimentary rocks in the Tajik Basin reveals that this depocentre consists of three stacked…”
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Oligocene‐Miocene Exhumation of the Pinaleño Metamorphic Core Complex, Southeastern Arizona: Support for Magmatism and Plate Margin Reorganization as Controls on Regional Exhumation Trends by Chapman, James B., Scoggin, Shane H., Jepson, Gilby, Ricketts, Jason W., Schaen, Allen J., Trzinski, Adam E.

“…The Pinaleño Mountains of southeastern Arizona is the eastern‐most metamorphic core complex in the southern U.S. and northern Mexican Cordillera. This study…”
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Parathethys Last Gasp in Central Asia and Late Oligocene Accelerated Uplift of the Pamirs by Wang, Xin, Carrapa, Barbara, Chapman, James B., Henriquez, Susana, Wang, Mi, DeCelles, Peter G., Li, Zaijun, Wang, Fei, Oimuhammadzoda, Ilhomjon, Gadoev, Mustafo, Chen, Fahu

“…Cenozoic sedimentary rocks in the Tajik Basin record the history of retreat of the Paratethys from central Asia, tectonic activity within the surrounding Pamir…”
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The North American Cordilleran Anatectic Belt by Chapman, James B., Runyon, Simone E., Shields, Jessie E., Lawler, Brandi L., Pridmore, Cody J., Scoggin, Shane H., Swaim, Nathan T., Trzinski, Adam E., Wiley, Hannah N., Barth, Andrew P., Haxel, Gordon B.

“…The North American Cordilleran Anatectic Belt (CAB) is a ~3,000 km long region in the hinterland of the Cordillera that comprises numerous exposures of Late…”
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Early Paleogene Magmatism in the Pinaleño Mountains, Arizona: Evidence for Crustal Melting of Diverse Basement Assemblages during the Laramide Orogeny by Scoggin, Shane H, Chapman, James B, Shields, Jessie E, Trzinski, Adam E, Ducea, Mihai N

“…Granitic rocks, interpreted to be related to crustal melting, were emplaced into regions of thickened crust in southern Arizona during the Laramide orogeny…”
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The Alichur Dome, South Pamir, Western India–Asia Collisional Zone: Detailing the Neogene Shakhdara–Alichur Syn‐collisional Gneiss‐Dome Complex and Connection to Lithospheric Processes by Worthington, James R., Ratschbacher, Lothar, Stübner, Konstanze, Khan, Jahanzeb, Malz, Nicole, Schneider, Susanne, Kapp, Paul, Chapman, James B., Stevens Goddard, Andrea, Brooks, Hanna L., Lamadrid, Hector M., Steele‐MacInnis, Matthew, Rutte, Daniel, Jonckheere, Raymond, Pfänder, Jörg, Hacker, Bradley R., Oimahmadov, Ilhomjon, Gadoev, Mustafo

“…Neogene, syn‐collisional extensional exhumation of Asian lower–middle crust produced the Shakhdara–Alichur gneiss‐dome complex in the South Pamir. The…”
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Interaction Among Magmas from Various Sources and Crustal Melting Processes During Continental Collision: Insights from the Huayang Intrusive Complex of the South Qinling Belt, China by Hu, Fangyang, Liu, Shuwen, Ducea, Mihai N, Zhang, Wanyi, Chapman, James B, Fu, Jinghao, Wang, Maojiang

“…Abstract The Qinling Orogenic Belt in central China, which resulted from continent–continent collision, is an excellent area for the study of collision-related…”
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Birth, life, and demise of the Andean–syn‐collisional Gissar arc: Late Paleozoic tectono‐magmatic‐metamorphic evolution of the southwestern Tian Shan, Tajikistan by Worthington, James R., Kapp, Paul, Minaev, Vladislav, Chapman, James B., Mazdab, Frank K., Ducea, Mihai N., Oimahmadov, Ilhomjon, Gadoev, Mustafo

“…The amalgamation of the Central Asian Orogenic Belt in the southwestern Tian Shan in Tajikistan is represented by tectono‐magmatic‐metamorphic processes that…”
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Cretaceous shortening and exhumation history of the South Pamir Terrane by Chapman, James B, Robinson, Alexander C, Carrapa, Barbara, Villarreal, Dustin, Worthington, James, DeCelles, Peter G, Kapp, Paul, Gadoev, Mustafo, Oimahmadov, Ilhomjon, Gehrels, George

“…Despite Miocene extension and exhumation of middle to lower crust in a series of gneiss domes and interpreted Cenozoic delamination of the lower crust, the…”
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Slip on the Suckling Hills splay fault during the 1964 Alaska earthquake by Chapman, James B., Elliott, Julie, Doser, Diane I., Pavlis, Terry L.

“…The Suckling Hills in southern Alaska experienced localized, anomalously large coseismic uplift in the Mw 9.2, 1964 Alaska earthquake. Large uplift at the…”
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Early Cretaceous displacement on the Tanymas thrust fault, Northern Pamir, Tajikistan, and regional tectonic implications by Villarreal, Dustin P., Robinson, Alexander C., Chapman, James B., Carrapa, Barbara, Oimuhammadzoda, Ilhomjon, Gadoev, Mustafo, Li, Yipeng

“…•Tanymas thrust footwall deposits yield Early Cretaceous maximum deposition ages.•Maximum deposition ages interpreted to constrain motion on Tanymas…”
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