David Weir: Meteorite Studies
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 [...]
Meteorite Studies: Introduction
METEORITES: A Systematic Classification Through Photographs By David Weir (Updated regularly since May 1997) “Where [...]
Methods for Dating the Age of Meteorites
Methods of Dating the Age of Meteorites Meteorites are among the oldest objects we know [...]
Systematics: Enstatite Chondrites – Subgroup Classification
PART I: CHONDRITES, METACHONDRITES PART II: PRIMITIVE ACHONDRITES, ACHONDRITES, STONY-IRONS, IRONS PART III: MARTIAN METEORITES—GEOCHEMICAL [...]
Udei Station
Iron, IAB complex, Udei Station grouplet Fell spring 1927 7° 57′ N., 8° 5′ E. [...]
Toluca
Iron, IAB complex, sLL subgroup Found 1776, known earlier 19° 34′ N., 99° 34′ W. [...]