Results 61 to 70 of about 401 (132)

Shock‐heated graphite in three IAB iron meteorites—Implications on the formation of diamond

Meteoritics &Planetary Science, Volume 60, Issue 4, Page 744-756, April 2025.
Abstract Iron meteorites, originating from the deepest parts of their parent bodies and separated during major break‐up events, surprisingly rarely contain diamonds despite experiencing similar pressure–temperature conditions as diamond‐bearing ureilites. In this study, graphite from three non‐magmatic IAB iron meteorites Canyon Diablo, Campo del Cielo,
Oliver Christ, Anna Barbaro, Ludovic Ferrière, Lidia Pittarello, M. Chiara Domeneghetti, Frank E. Brenker, Fabrizio Nestola, Matteo Alvaro   +7 more
wiley   +1 more source

Uniquely preserved gut contents illuminate trilobite palaeophysiology. [PDF]

Nature, 2023
Kraft P, Vaškaninová V, Mergl M, Budil P, Fatka O, Ahlberg PE.   +5 more
europepmc   +1 more source

Impact crater lake evolution and concomitant hydrothermal mineralization recorded by the Wörnitzostheim drill core at the Ries impact structure, Germany

Meteoritics &Planetary Science, Volume 60, Issue 4, Page 795-822, April 2025.
Abstract Impact‐generated hydrothermal systems and postimpact crater lake systems are well‐documented geological phenomena; however, evidence of hydrothermal venting into impact crater lake systems has rarely been reported. We investigated the well‐preserved contact between hydrothermally altered impact melt‐bearing breccia (outer/surficial suevite ...
Matthew J. O. Svensson, Gordon R. Osinski, Fred J. Longstaffe, Timothy A. Goudge, Haley M. Sapers   +4 more
wiley   +1 more source

Ultraconserved element (UCE) phylogenomics illuminates the evolutionary history and biogeography of Dorymyrmex pyramid ants

Systematic Entomology, Volume 50, Issue 2, Page 325-348, April 2025.
A newly expanded UCE phylogeny of Dorymyrmex robustly confirms the major lineages and recommends a new scheme of four major species groups. The asymmetrical, amphitropical distribution of Dorymyrmex was likely created by a single dispersal event across the Isthmus of Panama before the traditional closure date of 3 Mya.
Jill T. Oberski
wiley   +1 more source

Hydrogen Generation and Serpentinization of Olivine Under Flow Conditions

Geophysical Research Letters, Volume 52, Issue 6, 28 March 2025.
Abstract Serpentinization of olivine is often studied in the laboratory under batch conditions. Olivine conversion in situ with enhanced natural hydrogen production will likely be implemented via injection of aqueous solutions. Hence, transport is relevant to the extent of olivine reaction and, potentially, the morphology of precipitates formed.
C. M. Ross, B. Vega, L. Frouté, T.‐W. Kim, A. R. Kovscek   +4 more
wiley   +1 more source

Analysis-ready optical underwater images of Manganese-nodule covered seafloor of the Clarion-Clipperton Zone. [PDF]

Sci Data, 2023
Mbani B, Greinert J.
europepmc   +1 more source

Image segmentation and coverage estimation of deep-sea polymetallic nodules based on lightweight deep learning model. [PDF]

Sci Rep
Hao Y, Yan S, Yang G, Luo Y, Liu D, Han C, Ren X, Du D.   +7 more
europepmc   +1 more source

Origin of pyrite nodules at the top of the nantuo diamictites, Southern China. [PDF]

Sci Rep, 2021
Liu C, Lin Y.
europepmc   +1 more source

Genomic insights into the alphaproteobacterium Georhizobium sp. MAB10 revealed a pathway of Mn(II) oxidation-coupled anoxygenic photoautotrophy: a novel understanding of the biotic process in deep-sea ferromanganese nodule formation. [PDF]

mBio
Xu X, Zhang L, Song F, Zhang G, Ma L, Yang N.   +5 more
europepmc   +1 more source

The Mechanism of Microbial-Ferromanganese Nodule Interaction and the Contribution of Biomineralization to the Formation of Oceanic Ferromanganese Nodules. [PDF]

Microorganisms, 2021
Lyu J, Lyu J, Yu X, Jiang M, Cao W, Saren G, Chang F.   +6 more
europepmc   +1 more source