Results 71 to 80 of about 17,606 (188)

A DTA/GC for the in Situ Identification of the Martian Surface Material [PDF]

open access: yes
The composition and mineralogy of the Martian surface material remain largely unknown. To determine its composition and mineralogy, several techniques are being considered for in situ analyses of the Martian surface material during missions to Mars.
Mancinelli, R. L.   +2 more
core   +1 more source

The Cretaceous-Tertiary (K/T) impact: One or more source craters? [PDF]

open access: yes
The Cretaceous-Tertiary (K/T) boundary is marked by signs of a worldwide catastrophe, marking the demise of more than 50 percent of all living species. Ever since Alvarez et al.
Koeberl, Christian
core   +1 more source

Tektite origin by hypervelocity asteroidal or cometary impact: The quest for the source craters [PDF]

open access: yes
Tektites are natural glasses that are chemically homogeneous, often spherically symmetrical objects several centimeters in size, and occur in four known strewn fields on the surface of the Earth: the North American, moldavite (or Central European), Ivory
Koeberl, Christian
core   +1 more source

Geochemistry and Sr, S, and O stable isotopes of Miocene Abu Dhabi evaporites, United Arab Emirates. [PDF]

open access: yesHeliyon, 2023
Gad A   +6 more
europepmc   +1 more source

K isotopes trace temporal silicate weathering intensity. [PDF]

open access: yesNat Commun
Gou LF   +9 more
europepmc   +1 more source

Phanerozoic seawater Mg/Ca variations driven by supercontinent cycles. [PDF]

open access: yesNat Commun
Zhang P   +4 more
europepmc   +1 more source

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