Table 1 Oceanic diamond occurrences and relationship with oceanic large igneous provinces and ocean islands.

From: Oceanic and super-deep continental diamonds share a transition zone origin and mantle plume transportation

 

Lat. decimal

Long. decimal

Magmatic age m.y

Emplacement age m.y

Location

Diamond discovery

Plume type

Tectonic setting reference

Location name

Tectonic settings of ophilolite fragments

Note

Diamonds in xenoliths

Salt-lake crater

21.47

− 158.00

0.44

 

O'ahy, Hawaii

Wirth and Rocholl 14

OIB

Wirth and Rocholl14

Hawaii

  

Malaita

− 9.05

161.19

34

 

Malaita Island

Collerson et al.13

O-LIP

Collerson et al.13

Ontong Java

  

Diamond-bering ophiolites

Xigaze

29.16

88.88

125

100–65

Yarlung Zhangbo belt, Tibet, China

Xiong et al. (2016)

O-LIP

Yang and Dilek61, Zhang et al.60

Tibetan oceanic plateau

(5)(7)

Dismembered ophiolite, made of several bodies along the Yarlung Zhangbo belt

Purang

30.66

80.95

125

100–65

(5)(7)

Dangqiong

30.23

83.19

125

100–65

(5)(7)

Lubuosa

29.04

93.39

130

100–65

(5)(7)

Dongbo

31.05

80.17

130

100–65

(5)(7)

Zedang

29.18

91.61

160

100–65

(5)(7)

Dongqiao

32.00

90.44

196

100–65

(5)(7)

Hegenshan

44.75

116.39

295

244

Inner-Mongolia, China

Huang et al. (2015)

OIB

Yang et al. (2015a)

Hegenshan

(5)(7)

Dismembered ophiolite

Sartohay

46.08

84.97

430

316

West Jungar, China

Tian et al. (2015)

OIB

Miao et al.63

West Jungar

(1)(3)(5)(6)(7)

Dismembered ophiolite

Mirdita

41.83

21.00

160

100

Albania

Xiong et al. (2017)

OIB

Gaggero et al.65

Mirdita

(1)(3)(6)(7)(8)

Semi-complete section

Myitkyina

26.00

97.83

170

100–65

Myanmar

Chen et al.66

n.a

 

n.a

(5?)(6?)(7)

Dismembered ophiolite

Rai-Iz

66.79

64.99

420

400

Polar-Ural

Yang et al. (2015)

n.a

 

n.a

(3)(6?)(7)

Dismembered ophiolite

Pozanti-Karsanti

37.70

35.36

95

100–65

Turkey

Lian et al. (2017)

n.a

 

Eastern Tauride belt

(4)(6)(7)(8)

Semi-complete section

  1. m.y. million years, O-LIP oceanic large igneous provinces, OIB ocean island basalts, Lat. latitude, Long. longitude.
  2. (1), continental arc; (3), older oceanic arc; (4), oceanic arc; (5), oceanic plateau; (6), seamount and ocean island; (7), oceanic crusr; (8), mid-ocean ridge.
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