Area, region

Rock

ΣPGE, ppm

Reference

Skiros, Greece

Milia, Pindos, Greece

Rhodope Massif, Bulgaria

Mawat ophiolite, Iraq

Oman ophiolite

Kempirsai Massif, Urals

Kempirsai Massif, Urals

Polar Urals

Polar Urals

Eastern Desert, Egypt

Turkey ophiolites

Eskişehir, Turkey

Loma Caribe, Dominican Republic

West Raglan, Cape Smith Belt, Canada

Avalon terrane, Canada

Thetford Mines ophiolite, Canada

Advocate ophiolite, Newfoundland, Canada

Bird River Sill, Canada

Dovirensky layered complex, Siberia

Blue Ridge Province, North Carolina

Avan Hills, Alaska (Pt + Pd)

Rabbit Creek, Alaska (Pt + Pd)

Quartz Creek, Alaska (Pt only)

Emerick prospect, Alaska (Pt + Pd)

Caribou Mountain, Alaska

Salt Chuck Mine, Alaska (Pd only)

Red Mountain, Alaska (Pt only)

chromite

chromite

chromitite

chromitites

chromitite

chromitite

chromite

sulfide-chromite

sulfide-bearing

dunite envelopes

Cr-PGE

chromitites

chromitites

-

-

chromitite (Only Pt)

-

chrome property

(Pd only)

chromite (Pt+Pd+Rh)

-

-

serpentinite

serpentinite

chromite (Pt only)

-

-

2.3

≤1.059

≤1.6

≤1.094

≤1.5

≤1.0

≤1.0 - 2.0

0.7 - 0.8

1.0 - 1.5

up to 0.738

≤1.305

≤0.533

1.82 - 2.04

2.54

≤2.4

≤2.0

≤1.028

≤0.7

≤1.4

≤0.746

≤1.029

≤2.298

≤1.2

≤1.966

≤1.337

1.96

2.27

[35]

[286]

[287]

[145]

[274]

[138]

[288]

[289]

[289]

[274]

[290]

[291]

[292]

[293]

[294]

[295]

[137]

[231]

[296]

[297]

[285]

[285]

[285]

[285]

[285]

[298]

[298]