Výsledky vyhledávání - "William M. Lamb"

Akademický článek

A marine origin of coal balls in the Midland and Illinois basins, USA

Autor: Michelle E. Chrpa, Anne Raymond, William M. Lamb, Juan-Carlos Laya

Publikováno v: Communications Earth & Environment, Vol 4, Iss 1, Pp 1-12 (2023)

Abstract Coal balls are carbonate concretions that preserve peat in cellular detail. Despite their importance to paleobotany, the salinity of coal-ball peat remains controversial. Pennsylvanian coal balls from the Midland and Illinois basins contain

Externí odkaz: https://doaj.org/article/578847a055e4418eae476ac35504f189

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Akademický článek

Water and Oxygen Fugacity in the Lithospheric Mantle Wedge beneath the Northern Canadian Cordillera (Alligator Lake)

Autor: McKensie L. Kilgore, Anne H. Peslier, Alan D. Brandon, William M. Lamb

Publikováno v: Geochemistry, Geophysics, Geosystems, Vol 19, Iss 10, Pp 3844-3869 (2018)

Abstract Assessing water contents of subduction zone mantle peridotites can gain insight into the compositions of slab‐derived fluids/melts and the active margin water cycle. Here eight mantle xenoliths from Alligator Lake (northern Canadian Cordil

Externí odkaz: https://doaj.org/article/da751ea82c7d4cbbbb14dec230b3a143

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Akademický článek

Strain Localization at Constant Strain Rate and Changing Stress Conditions: Implications for Plate Boundary Processes in the Upper Mantle

Autor: Julie Newman, Vasileios Chatzaras, Basil Tikoff, Jan R. Wijbrans, William M. Lamb, Martyn R. Drury

Publikováno v: Minerals, Vol 11, Iss 12, p 1351 (2021)

We present results from a natural deformed shear zone in the Turon de Técouère massif of the French Pyrenees that directly addresses the processes involved in strain localization, a topic that has been investigated for the last 40 years by structur

Externí odkaz: https://doaj.org/article/1d46881ca5d74ed9ba0f5f5e93f27a01

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Carbonates and intermediate-depth seismicity: Stable and unstable shear in altered subducting plates and overlying mantle

Autor: Abhishek Prakash, Caleb W. Holyoke, Peter B. Kelemen, Stephen H. Kirby, Andreas K. Kronenberg, William M. Lamb

Publikováno v: Proceedings of the National Academy of Sciences. 120

A model for intermediate-depth earthquakes of subduction zones is evaluated based on shear localization, shear heating, and runaway creep within thin carbonate layers in an altered downgoing oceanic plate and the overlying mantle wedge. Thermal shear

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c56a1e76ed0cdf532268290d1e75397f
https://doi.org/10.1073/pnas.2219076120

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Application of mineral equilibria to estimate fugacities of H2O, H2, and O2 in mantle xenoliths from the southwestern U.S.A

Autor: William M. Lamb, Lindsey E. Hunt

Publikováno v: American Mineralogist. 104:333-347

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::38d5c563613868abc46e7774ae20b030
https://doi.org/10.2138/am-2019-6602

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Chapter 5 Correlations between a heterogeneous mantle and multiple stages of crustal growth: a review of the Dun Mountain ophiolite, New Zealand

Autor: William M. Lamb, R. J. Norris, Nick Mortimer, D. Jugum, Eric D. Stewart, JM Palin

Publikováno v: Geological Society, London, Memoirs. 49:75-92

The mantle and crustal sections of the Permian Dun Mountain ophiolite (DMO) in New Zealand9s South Island have similar and potentially related tectonic histories. The mantle section records a four-part sequence of mid-ocean ridge basalt, and boninite

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::622e17c92a06c48ab3cd30f2d7b12c34
https://doi.org/10.1144/m49.3

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