Results 161 to 170 of about 7,378 (260)
Linking crystal shape and dynamic undercooling: a new framework for inferring magmatic crystallization histories. [PDF]
Lindoo A +7 more
europepmc +1 more source
Stardust Mine: A 2024 gabbroic shergottite from Arizona, USA
Abstract This study provides an initial characterization of Stardust Mine, a fresh gabbroic enriched shergottite collected in Arizona, USA, in September 2024 and is the first Martian meteorite to be unequivocably collected on US soil. Analysis was conducted on the type specimen and finds that Stardust Mine is composed of equal proportions of pyroxene ...
Jennifer T. Mitchell +4 more
wiley +1 more source
Setting Standards in Petrology: The Commission on Systematics in Petrology
openaire +2 more sources
Charge Shift in Calcite before High-Pressure Phase Transition. [PDF]
Stachowicz M +5 more
europepmc +1 more source
Mineralogy, mineral chemistry, and redox equilibria in ten aggregate particles from asteroid Bennu
Abstract Examination of 10 Bennu aggregate particles has revealed the presence of many phases which taken together can provide constraints on the oxygen fugacity (fO2) of Bennu samples. Phyllosilicates (saponite and serpentine), carbonates, oxides (magnetite, chromite), sulfides (pyrrhotite, pentlandite), phosphate (hydroxyapatite, Na‐Mg‐phosphate ...
K. Righter +11 more
wiley +1 more source
Intraplate deformation of Gondwana terranes and implications for the Wilson Cycle. [PDF]
Fonseca A, De Grave J.
europepmc +1 more source
Abstract Volatile‐rich xenolithic clasts in different types of brecciated meteorites represent unique pristine solar system material. This study investigates the maturity and thermal history of organic matter using Raman spectroscopy and aqueous alteration effects using infrared spectroscopy in the matrix of 15 volatile‐rich clasts (C1 and CM‐like ...
Swarna Prava Das +7 more
wiley +1 more source
In situ measurements of dissolved gases in xylem sap as tracers in plant physiology. [PDF]
Marion C +3 more
europepmc +1 more source
Abstract The Ames impact structure (Oklahoma) is thought to have formed during the Ordovician Meteor Event, based on conodont biostratigraphy of its crater fill. Here, U–Pb zircon dates from its impact‐melt portion, conducted using secondary ion mass spectrometry and laser ablation–inductively coupled plasma–mass spectrometry (n = 37 spots), yield a ...
Elizabeth J. Catlos +9 more
wiley +1 more source

