Josephine peridotite (harzburgite) - pyroxene

Click on image to enlarge.           Photo © Daniel R. Snyder

Josephine peridotite (partially serpentinized harzburgite), a component of the Josephine ophiolite sequence. Gray grain at left is pyroxene, large gray grain in center is partially serpentinized pyroxene (bastite texture). Brightly colored grains are olivine. Klamath Mountains, Josephine County, southwest Oregon.  XPL. Imaged area 1.3 mm x 2 mm.