Results 171 to 180 of about 45,988 (266)

Granitic intrusions enhance strain localization and rapid mantle exhumation along an oceanic detachment fault. [PDF]

Sci Adv
Poulaki EM, Bickert M, Vannucchi P, Shuck BD, Akizawa N, Pandey A, Morishita T, Sanfilippo A, Cunningham EH, Barnes JD, Garber JM, Nistor C, Bernard R, Tribuzio R, Loocke M, Abe N, Di Stefano A, Filina IY, Fu Q, Gontharet SBL, Kearns LE, Koorapati RK, Lei C, Loreto MF, Magri L, Menapace W, Pavlovics VL, Pezard PA, Rodriguez-Pilco MA, Zhao X, Pérez-Gussinyé M, Garrido CJ, Ranero CR, Estes ER, Malinverno A, Zitellini N.   +35 more
europepmc   +1 more source

Characterization of coesite‐bearing impact melt glass from the Hapcheon crater, Korea: Trimodal phase architecture, shock metamorphism, and implications for 40Ar/39Ar geochronology

Meteoritics &Planetary Science, Volume 61, Issue 9, Page 2233-2257, September 2026.
Abstract We present the first micrometer‐scale, phase‐resolved compositional characterization of impact melt glass from the Hapcheon crater (~1.4 km apparent diameter), the first confirmed impact structure on the Korean Peninsula, integrating EPMA‐WDS (5 μm spot), confocal Raman spectroscopy (<1 μm spot), XRD, and 40Ar/39Ar step‐heating geochronology ...
Jin‐Young Lee, Jeongmin Kim, Sei‐Sun Hong   +2 more
wiley   +1 more source

H₂O-fluxed remelting of arc roots drives continent maturation and the Daly Gap. [PDF]

Nat Commun
Dong P, Weinberg RF, Zhu DC, Wang Q, Joya GO, Nebel O.   +5 more
europepmc   +1 more source

Charnia and other late Ediacaran macrofossils preserved in turbiditic deposits of the Indreelva Member (Finnmark, Norway)

Palaeontology, Volume 69, Issue 5, September/October 2026.
Abstract The fossil genus Charnia is emblematic of the evolutionary expansion of metazoans during the late Ediacaran. The first discovery of Charnia specimens from Scandinavia is here reported, alongside new examples of Palaeopascichnus, Aspidella‐type holdfasts, and possible scratch circles.
Yorick P. Veenma, William J. McMahon, Alexander G. Liu, Jan Ove R. Ebbestad, Sten‐Andreas Grundvåg, Anette E. S. Högström, Magne Høyberget, Sören Jensen, Neil S. Davies   +8 more
wiley   +1 more source

Distribution, mobility and exposure risk of rare earth elements, uranium and thorium in soils impacted by illegal cassiterite-monazite mining in the southeastern Amazon, Brazil. [PDF]

Environ Geochem Health
Rodrigues AAP, Guimarães JTF, Martins GC, Reis LS, de Souza ES, Dall'Agnol R, Ramos SJ.   +6 more
europepmc   +1 more source

Direct Detection of Hydrogen Reveals a New Macroscopic Crustal Water Reservoir on Early Mars

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract The next great leap in Martian exploration is the return of samples to Earth. Maximizing their scientific value requires non‐destructive analytical techniques for early three‐dimensional characterization. Neutron computed tomography (CT), highly sensitive to hydrogen, complements conventional X‐ray CT and enables the detection of hydrous ...
Estrid Buhl Naver, Katrine Wulff Nikolajsen, Martin Sæbye Carøe, Domenico Battaglia, Jens Frydenvang, Martin Bizzarro, Jakob Sauer Jørgensen, Kim Lefmann, Anders Kaestner, David Christian Mannes, Phil Cook, Henrik Birkedal, Thorbjørn Erik Køppen Christensen, Innokenty Kantor, Henning Friis Poulsen, Luise Theil Kuhn   +15 more
wiley   +1 more source

Oxidized Hadean magmas and Archean mobile-lid tectonics revealed by Jack Hills zircon. [PDF]

Proc Natl Acad Sci U S A
Houchin SK, Tissot FLH, Ibañez-Mejia M, Bell EA, Harrison TM, Newville M, Lanzirotti A.   +6 more
europepmc   +1 more source

Corundum Discovered by SuperCam and the Perseverance Rover at Jezero Crater, Mars

Geophysical Research Letters, Volume 53, Issue 16, 28 August 2026.
Abstract Mars is primarily composed of mafic mineral assemblages and their alteration products, but small, scattered rocks strewn across the landscape offer clues to greater petrological diversity. While traversing the Jezero crater rim, the Perseverance rover encountered several plagioclase‐rich light‐toned float rocks.
A. M. Ollila, O. Beyssac, A. Fau, O. Forni, E. Clavé, P. Beck, C. C. Bedford, V. Payre, E. Dehouck, S. A. Connell, J. A. Manrique, P. Pilleri, O. Gasnault, G. M. Martinez, A. Udry, S. Bernard, P. Gasda, T. Acosta‐Maeda, R. B. Anderson, T. S. J. Gabriel, F. Calef, J. F. Bell III, J. Maki, S. Schröder, C. Quantin‐Nataf, J. R. Johnson, B. Chide, K. Rammelkamp, F. Poulet, C. Royer, M. Rock, N. L. Lanza, S. K. Sharma, G. Lopez‐Reyes, T. Fouchet, J. Comellas, A. Zastrow, E. Cloutis, R. C. Wiens, A. Cousin, S. Maurice, S. Clegg, P. Bernardi, T. Nelson   +43 more
wiley   +1 more source

Petrological and geochemical characterization of Abu Murrat syn-orogenic I-type and post-orogenic A-type neoproterozoic granitoids, North Eastern Desert, Egypt. [PDF]

Sci Rep
El-Awady A, Abdelnaiem DA, Kharbish S, Kaya BT, Abdelnasser A.   +4 more
europepmc   +1 more source

Metallogenesis of the Late Carboniferous Karst Bauxite in the North China Craton: A Review. [PDF]

ACS Omega
Cai S, Huang H, Li R, Wu X, Cheng J, Xian R, Yue H.   +6 more
europepmc   +1 more source