Results 131 to 140 of about 4,150 (216)

Combining universal‐stage, backscatter electron imaging and electron backscatter diffraction for improved indexing of planar microstructures in quartz and plagioclase

Meteoritics &Planetary Science, Volume 61, Issue 3, Page 487-503, March 2026.
Abstract Quartz and feldspar commonly develop planar microstructures due to shock metamorphism. These are generally investigated and indexed (identifying the crystallographic orientation along which they developed) using a universal stage (U‐stage) on a petrographic microscope.
Lidia Pittarello, Thomas Griffiths, Gerlinde Habler   +2 more
wiley   +1 more source

Mineral Phase-Resolved Quantification in LA-ICP-MS Imaging. [PDF]

Anal Chem
Umfahrer B, Buday J, Pořízka P, Kaiser J, Garofalo PS, Günther D.   +5 more
europepmc   +1 more source

Substitution of Fe3+ into anorthite in oxidized, Al‐deficient ferrobasaltic systems with implications for the petrogenesis of angrite meteorites

Meteoritics &Planetary Science, Volume 61, Issue 3, Page 427-443, March 2026.
Abstract Angrite meteorites are critically silica‐undersaturated igneous rocks with high Ca/Al and Fe/Mg, along with depletion in volatile lithophile elements Na and K such that they crystallize anorthite along with olivine and calcic pyroxene. The anorthite in angrites contains substantial Fe, and in NWA 1670 and NWA 1296, it is present at major ...
Seann J. McKibbin, Dominique Tanner, Hugh St. C. O'Neill   +2 more
wiley   +1 more source

Cooling rates and melt extraction timescales determined by diffusion chronometry on shallow crustal plutonic rocks. [PDF]

Contrib Mineral Petrol
Grocolas T, Müntener O, Bloch EM, Escrig S, Ulyanov A, Bouvier AS.   +5 more
europepmc   +1 more source

Al‐Khadhaf: The first camera‐observed (H5–6) meteorite fall from Oman

Meteoritics &Planetary Science, Volume 61, Issue 3, Page 522-547, March 2026.
Abstract A fireball camera system installed in 2022 by the Oman Meteorite Monitoring Project (OMMP) as part of the Global Fireball Observatory (GFO) recorded a 3.2 s fireball on March 8, 2022 at 8:15 p.m. UTC. A meteoroid of 4 ± 2 kg entered the atmosphere at 14.0 km/s.
Anna Zappatini, Edwin Gnos, Beda A. Hofmann, Urs Eggenberger, Pascal M. Kruttasch, Frank Gfeller, Mohammad Tauseef, Ingo Leya, Hadrien A. R. Devillepoix, Eleanor K. Sansom, Martin Cupák, Sophie E. Deam, Thomas W. C. Stevenson, Peter Jenniskens, Sebastian Lindemann, Beat Booz, Muati. S. Al‐Muati, Abdulmunaim A. Al‐Zakwani, Hussain A. Al‐Ghafri   +18 more
wiley   +1 more source

Multiple mush generations provide insight into the longevity of open-conduit basaltic volcanoes. [PDF]

Sci Rep
Schiavon B, Petrone CM, Forni F, Pontesilli A, Hu H, Scarlato P, Andronico D, Bello ED, Nazzari M, Mollo S.   +9 more
europepmc   +1 more source

Integration of β-VAE, DWT, and GMM for Sentinel-2-based mapping of hydrothermal alteration and iron speciation in the Zafarghand area, Iran. [PDF]

Sci Rep
Kalkhoran SE, Ghannadpour SS.
europepmc   +1 more source

Hydrochemical Characteristics of Four Retreating Glacier Forefields Off the Coast of Admiralty Bay (King George Island, Maritime Antarctic): Diverse Sources of Metals and Metalloids

Land Degradation &Development, Volume 37, Issue 4, Page 1330-1352, 28 February 2026.
ABSTRACT This study examines the impact of geological, marine and anthropogenic sources on metal and metalloid concentrations in the forefields of four glaciers (Ecology, Sphinx, Tower and Windy) on King George Island, Antarctic. Water samples were collected at the beginning and end of the hydrological season (austral summer, December 2021 to February ...
Joanna Potapowicz, Krystyna Kozioł, Joanna Plenzler, Robert Józef Bialik, Justyna Dudek, Marcin Frankowski, Anetta Zioła‐Frankowska, Sara Lehmann‐Konera, Żaneta Polkowska   +8 more
wiley   +1 more source

Plagioclase under compression: A path to diaplectic glass and maskelynite. [PDF]

Sci Adv
Xie T, Shieh SR, Chariton S, van Zyl M, Rodriguez RD, Prakapenka VB, Zhang D.   +6 more
europepmc   +1 more source

Late Triassic Hydroclimatic Changes in Central China Linked to Evolving Mountain Topography

Geophysical Research Letters, Volume 53, Issue 3, 16 February 2026.
Abstract During the Late Triassic, tropical Pangea drifted northward into subtropical latitudes and became progressively drier. In contrast, South China, despite experiencing a similar latitudinal shift, transitioned from an arid to humid climate. Based on the sedimentary record of the Zigui Basin, this study constrains the arid to humid climatic shift
Rong Chai, Jianghai Yang, Peter A. Cawood, Chenguang Zhu, Yuansheng Du, Yongyun Hu, Xiang Li, Chengshan Wang   +7 more
wiley   +1 more source