Over 20 years ago, hard to believe I know, I posted an article here about the Rose City H5 Impact Melt Breccia. In the time that passed, Rose City turned 100 years old, and that was four years ago! It’s odd to be holding a century old witnessed fall that I acquired for my collection long before I ever considered
Rose City revisited: A Glorious Impact Melt Breccia Meteorite Read Post »
In my thirty years of working seriously with meteorites there is one thing I have not had much experience with, slag. It is listed as one of the more common things submitted to laboratories for examination. I had an interesting and fun time with a piece of slag recently. I walk and hike most days and have recently increased my
This thin section of New Raymer LL4 is one of over 100 that were deaccessioned by Arizona State University in 2014. We looked at some of the opaques in this sample back in September of 2021. Here we look at the section in “cross-polarized light” XPL. We’ll let the photos speak for themselves with only a few comments.
Wadsleyite like several other of the minerals that have meteoritic type localities has a lab synthesized origin story. The synthetic material [𝛽- (Mg,Fe)₂SiO₄)] was created in 1966 by Alfred Edward Ringwood and Alan Major, both of whom were honored with minerals named after them that happen to also have meteoritic type localities. In 1970 Ringwood and Major proposed that should
Type Localities: Wadsleyite, Finding The Extraordinary In The Ordinary Read Post »
