BH250-103

Slide Number BH250-103

Number of slides: 7

Rock: Alta Stock, Utah, contact metamoprhism ( 40°34'27.24"N 111°36'24.32"W)

Major minerals: Dolomite, Forsterite (Olivine) 100 % Mg2SiO4, Serpentine, Periclase, and Brucite

Photomicrographs: 1 2 and 3 show altered Forsterite (to Serpentie), 4, 5 and 6 have unaltered Forsterite olvines

1, 2, 3, 4, 5, 6