David Weir: Meteorite Studies

Per page: 5 10 25 all
Desert Varnish

DESERT VARNISH This widespread desert phenomena has been considered by some to be a biogeochemical [...]

NWA 7475

NORTHWEST AFRICA 7475 click on photos for a magnified view

Bellsbank Quintet: A New Iron Group

THE BELLSBANK QUINTET: The Consummation of a New Iron Group—IIG The five iron meteorites displayed [...]

Martian Meteorite Ejection Ages

MARTIAN METEORITE EJECTION AGES Diagram credit: R. R. Mahajan, 46th LPSC, #1166 (2015) Diagram credit: [...]

Pneumatolytic Process

PNEUMATOLYTIC METAMORPHISM ‘Instead of the formation of the vugs through an igneous process, i.e., by [...]