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Education & Research
Most collectables can be enjoyed for their own sake. However, learning about them is what for many of us ignites our imagination and that is especially true for meteorites and other meteorite-related materials. With a better understanding of the underlying science (geology, astronomy, astrobiology, astrophysics just to name a few disciplines), art, history, philosophy and even theology, we can now appreciate their wondrous cosmic insights, place in our collections, and importance throughout human history. ... Expand
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. [...]
Sutter’s Mill
CM2.0/2.1 chondriteChondrites are the most common meteorites accounting for ~84% of falls. Chondrites are comprised [...]
Saint Sauveur
EH5 Impact-melt brecciaWork in Progress ... A rock that is a mechanical mixture of different [...]
NWA 7135
F3/4 (forsterite chondriteForsterite Chondrites or F-Chondrites are presently only known as inclusions in other meteorites [...]
NWA 5958
C2-ungrouped (CM-like) (C3.0-ung [2012], C2-ung in MetBull 99) Purchased September 2009 Numerous fragments of a [...]
NWA 3329
DiogeniteDiogenites belong to the evolved achondrite HED group that also includes howardites and eucrites. They [...]
NWA 2968
Diogenite Dunite (UngroupedModifying term used to describe meteorites that are mineralogically and/or chemically unique and [...]
NWA 2727
Lunar Mingled Breccia (fragmental breccia with clasts of very low-Ti olivineGroup of silicate minerals, (Mg,Fe)2SiO4, [...]
Lamesa
Iron, IAB complex, sLM subgroup Found 1981 32° 53′ N., 101° 53′ W. A single [...]
Knyahinya
L/LL5 Fell June 9, 1866 48° 54′ N., 22° 24′ E. Following detonations, a shower [...]
Ibitira
Eucrite-like basaltic achondriteAn achondrite is a type of stony meteorite whose precursor was of chondritic [...]
Grayton
H5 Found October 30, 1983 30° 18′ 42′ N., 86° 10′ W. A large, unbroken, [...]
Eagles Nest
Brachinite Found Summer of 1960 no coordinates recorded A well-oriented, fusion-crusted meteoriteWork in progress. A [...]
Cumberland Falls
Aubrite (main-group) Fell April 9, 1919 36° 50′ N., 84° 21′ W. Several stones fell [...]
Coopertown
Iron, IIIE, octahedrite Found 1860 36° 26′ N., 87° 0′ W. A single wedge-shaped iron [...]
Chinguetti
MesosideriteOne of two main types of stony-iron meteorite, the other being pallasites. Mesosiderites are a [...]
Carbonado
Recognized 1840’s Bahia Province, Brazil Terrestrial History The name carbonado, meaning burnt or carbonized in [...]
Caddo County
Iron, IAB complex, Udei Station grouplet Found 1987 35° 0′ N., 98° 20′ W. approx. [...]
