Geology

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Calcification of cyanobacterial mats in Solar Lake, Sinai
Geology - Tập 12 Số 10 - Trang 623 - 1984
W. Berry Lyons, David T. Long, Mark E. Hines, Henri E. Gaudette, Peter B. Armstrong
Jurassic earthquake sequence recorded by multiple generations of sand blows, Zion National Park, Utah
Geology - Tập 41 Số 10 - Trang 1131-1134 - 2013
David B. Loope, James F. Elder, Vitaly A. Zlotnik, Richard M. Kettler, Donald O. Pederson
Diverse mineralogies in two troughs of Noctis Labyrinthus, Mars
Geology - Tập 39 Số 10 - Trang 899-902 - 2011
C. M. Weitz, J. L. Bishop, P. Thollot, N. Mangold, L. H. Roach
Rethinking the emplacement and evolution of zoned plutons: Geochronologic evidence for incremental assembly of the Tuolumne Intrusive Suite, California
Geology - Tập 32 Số 5 - Trang 433 - 2004
Drew S. Coleman, Walt Gray, Allen F. Glazner
High-precision temporal calibration of Late Permian vertebrate biostratigraphy: U-Pb zircon constraints from the Karoo Supergroup, South Africa
Geology - Tập 41 Số 3 - Trang 363-366 - 2013
Bruce S. Rubidge, Douglas H. Erwin, Jahandar Ramezani, S. Bowring, W. J. de Klerk
Volcanic biotite-sanidine 40Ar/39Ar age discordances reflect Ar partitioning and pre-eruption closure in biotite
Geology - Tập 38 Số 10 - Trang 923-926 - 2010
John M. Hora, Brad S. Singer, Brian R. Jicha, Brian L. Beard, Clark M. Johnson, Shanaka L. de Silva, Morgan J. Salisbury
Abrupt transition from magma-starved to magma-rich rifting in the eastern Black Sea
Geology - Tập 37 Số 1 - Trang 7-10 - 2009
D. J. Shillington, C. L. Scott, T. A. Minshull, R. A. Edwards, Peter Brown, Nicky White
Cenozoic sediment bypass versus Laramide exhumation and erosion of the Eagle Ford Group: Perspective from modelling of organic and inorganic proxy data (Maverick Basin, Texas, USA)
Geology - Tập 50 Số 7 - Trang 817-821 - 2022
Alexandra Sarah Robinson, Annabel Dale, Thierry Adatte, Cédric M. John
Abstract The Cenozoic unconformity above the Late Cretaceous carbonates within the Maverick Basin is a unique feature of Texas (USA). Hypotheses accounting for the unconformity include (1) Cenozoic sediment bypass, and (2) ~6400 m of erosion during the Laramide orogeny. Both hypotheses have different implications for the burial history of the Eagle Ford Group (EFG) and for our understanding of the Laramide orogeny. We generated clumped isotope data and organic maturation proxies from the same location. Carbonate clumped isotope temperatures obtained (113 ± 9 °C) represent recrystallization during burial and a minimum estimate of the maximum burial temperature. This constraint is significantly warmer than apparent organic temperatures derived using an Arrhenius equation (40–55 °C). Organic matter transformation and carbonate recrystallization respond to temperature over different time scales and therefore capture snapshots of the thermal history particular to the chemical reactions that control the respective processes. Using numerical forward modeling on the combination of two different temperature proxies, we derived a new hypothesis: ~2800 m of Cenozoic sediments were accumulated and then eroded during late Laramide compression. This is significantly less erosion than previous estimates, indicating the impact of the Laramide orogeny in the basin may have been less severe than previously thought.
Climate-controlled variations in scree production, Southern Alps, New Zealand
Geology - Tập 33 Số 9 - Trang 701 - 2005
Tristram C. Hales, J. J. Roering
Earthquakes and fault zone structure
Geology - Tập 42 Số 4 - Trang 343-346 - 2014
Luisa Valoroso, L. Chiaraluce, Cristiano Collettini
Tổng số: 70   
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