It grows between 1000 and 4000 m on dunite rocks, among stones and slopes, and is distributed in the temperate and subtropical regions of the world, chiefly in Western Asia ( Turkey, Syria, Lebanon, Iraq, Iran, Azerbaijan, Armenia ) to Afghanistan and Pakistan.
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This is especially true of the peridotite and dunite hosted low-grade disseminated Ni-Cu-( PGE ) deposits such as Perseverance, Mount Keith MKD5, Yakabindie and Honeymoon Well, which occupy peridotite bodies which are at least 300m and up to 1200m thickness ( or more ).
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Dun Mountain is separated from its sister massif, Red Mountain, at the southern end of South Island, New Zealand, by the Alpine Fault, an approximately 600 km long right lateral strike slip fault similar to the San Andreas fault in California, USA . A massive exposure of dunite in the United States can be found as Twin Sisters Mountain, near Mount Baker in the northern Cascade Range of Washington.
