chondrite classification

From the chondrite information page, the petrographic classification scheme works kind of like this: completely altered by water into clay (no known …

Bediasite Tektites

This bediasite was reportedly found several decades ago, and it tips the scale at 49.2 grams.  It comes via Mr. and Mrs. …

about us

We started collecting meteorites in the summer of 1998. Within a few years, we came to notice an event that kept recurring: …

Ash Creek, Texas

On February 15th, 2009 at around 11AM local time, a small asteroid entered the atmosphere and broke up over Birome, Texas.  Larger …

Correo, H4

This strewn field from New Mexico was discovered in the late 1970s.  The total known weight is just a few kilograms, and …

unequilibrated chondrite

chondrites

Chondrites are the most primitive group of meteorites.  They have formation ages dating to at least 4.56 billion years before the present, …

irons

Iron meteorites can be divided into two main groups: those that formed in the cores of large differentiated bodies, and those that …

achondrites

Achondrites are a very diverse goup of meteorites representing a wide range of developmental processes in the Solar System.  Some have crystallization …

stony-irons

Stony-iron meteorites are divided into two semi-related groups: mesosiderites and pallasites. Mesosiderites are a somewhat enigmatic group of generally metal-rich meteorites that have an origin …