Sample name | Lithology | Depth (m) | Latitude | Longitude | Maximum grain size (mm) | Mode (vol%) | Comment | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ol | Pl | Cpx | Ox | Amp | Opx | Total | |||||||
YK18-07-6K-1515-R8 | Dolerite | 5490 | 23°50.5850′ N | 138°48.0841′ E | 1 | – | 57.4 | 36.8 | 2.6 | 3.2 | – | 100 |  |
YK18-07-6K-1515-R11 | Dolerite | 5162 | 23°50.4648′ N | 138°48.3606′ E | Not measured |  |  |  |  |  |  | ||
YK18-07-6K-1515-R12 | Dolerite | 5162 | 23°50.4648′ N | 138°48.3606′ E | 0.5 | – | 66.2 | 29.7 | 2.7 | 1.4 | – | 100 |  |
YK18-07-6K-1515-R13 | Dolerite | 5162 | 23°50.4648′ N | 138°48.3606′ E | 0.5 | – | 66.6 | 29.1 | 3.4 | 1.0 | – | 100 |  |
YK20-18S-6K-1569-R7a | Dolerite | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  |  | ||
YK20-18S-6K-1569-R10 | Dolerite | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  |  | ||
YK18-07-6K-1515-R4 | Oxide gabbro | 5599 | 23°50.6100′ N | 138°47.9940′ E | 10 | – | 51.0a | 27.0 a | 15.0 a | 7.0 a | – | 100 | Coarse-grained |
YK18-07-6K-1515-R14 | Oxide gabbro | 5073 | 23°50.4372′ N | 138°48.3942′ E | 10 | – | 46.2 | 29.6 | 14.1 | 10.1 | – | 100 | Coarse-grained |
YK20-18S-6K-1569-R4-2 | Oxide gabbro | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  | Mylonitic. Contact with YK20-18S-6K-1569-R4-1 | ||
YK20-18S-6K-1569-R6 | Oxide gabbro | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  | Mylonitic | ||
YK20-18S-6K-1569-R8a | Oxide gabbro | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  | Mylonitic | ||
YK19-04S-6K-1536-R18 | Olivine gabbro | 3540 | 23°49.6782′ N | 138°56.6738′ E | 3 | 9.8 | 54.9 | 25.2 | 0.5 | 7.6 | 2.0 | 100 | Interstitial brown amphibole and opx |
KH-18-2-D05-R101A-a | Olivine gabbro | 4522 | 23°51.7310′ N | 138°57.8930′ E | 5 | 1.0 a | 58.0 a | 36.0 a | – | 5.0 a | – | 100 | Varitextured |
YK20-18S-6K-1569-R4-1 | Olivine gabbro | 5713 | 23°53.3793′ N | 138°49.0433′ E | Not measured |  |  |  |  |  | Mylonitic. Contact with YK20-18S-6K-1569-R4-2 | ||
YK19-04S-6K-1536-R14B-2 | Olivine gabbro | 3608 | 23°49.7226′ N | 138°56.6931′ E | 3 | 2.8 | 55.4 | 26.3 | 3.2 | 12.3 | – | 100 | Mylonitic. Contact with YK19-04S-6K-1536-R14B-1 |
KH-18-2-D05-R101B-1 | Gabbro | 4522 | 23°51.7310′ N | 138°57.8930′ E | 2 | – | 49.5 | 43.0 | 1.1 | 6.5 | – | 100 |  |
YK19-04S-6K-1536-R14B-1 | Gabbro | 3608 | 23°49.7226′ N | 138°56.6931′ E | 10 | – | 63.7 | 24.4 | – | 11.9 | – | 100 | Porphyroclastic. Contact with YK19-04S-6K-1536-R14B-2 |
YK19-04S-6K-1536-R16 | Gabbro | 3608 | 23°49.7226′ N | 138°56.6931′ E | 5 | – | 36.9 | 49.2 | – | 13.9 | – | 100 | Porphyroclastic |
KH-18-2-D05-R101B-2 | Hybridized gabbro | 4522 | 23°51.7310′ N | 138°57.8930′ E | 10 | – | 71.9 | 18.0 | 2.9 | 7.2 | – | 100 | See Basch et al. (2020) for sample photo |
Sample name | Lithology | Depth (m) | Latitude | Longitude | Mode (vol%) | Comment | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Ol | Ser | Opx | Cpx | Bas | Spl | Total | ||||||
KH-18-2-D12-R7-2 | Dunite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 96.9 | 0.3 | – | 0.3 | 2.6 | 100 | Massive spl. Opx presents in association with spl |
KH-18-2-D12-R12 | Dunite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 93.5 | – | – | 0.1 | 6.4 | 100 | Massive spl. Spherical ser inclusion in spl after olivine |
KH-18-2-D12-R32B | Dunite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 89.7 | – | – | 6.6 | 3.8 | 100 | Massive spl. Bas presents in association with spl |
KH-18-2-D12-R2 | Peridotite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 71.8 | – | – | 27.5 | 0.7 | 100 | Vermicular spl in association with bastite |
KH-18-2-D12-R6 | Peridotite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 72.3 | 11.7 | – | 15.3 | 0.7 | 100 | Vermicular spl in association with bastite |
KH-18-2-D15-R1 | Peridotite | 5271 | 23°28.5670′ N | 139°02.6920′ E | – | 76.1 | – | – | 23.0 | 0.9 | 100 | Deformed opx |
YK18-07-6K-1515-R3 | Peridotite | 5680 | 23°50.6599′ N | 138°47.9216′ E | 0.3 | 76.4 | 14.0 | 0.1 | 7.2 | 1.9 | 100 | Vermicular spl. Deformed opx |
KH-18-02-D12-R4 | Peridotite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 83.3 | 7.8 | - | 7.9 | 1.0 | 100 | Network-like vein (oxide gabbroic) |
KH-18-02-D12-R15 | Peridotite | 5403 | 23°49.3060′ N | 138°47.6350′ E | – | 82.4 | 4.0 | – | 13.1 | 0.4 | 100 | Deformed opx. Network-like vein (oxide gabbroic) |
YK18-07-6K-1515-R2 | Peridotite | 5680 | 23°50.6599′ N | 138°47.9216′ E | – | 87.8 | 0.5 | – | 11.5 | 0.2 | 100 | Network-like vein (oxide gabbroic) |
YK18-07-6K-1515-R6 | Peridotite | 5490 | 23°50.5850′ N | 138°48.0841′ E | Not measured |  |  |  |  |  | Network-like vein (oxide gabbroic) | |
YK18-07-6K-1515-R9 | Peridotite | 5295 | 23°50.5202′ N | 138°48.2549′ E | – | 83.4 | 0.6 | – | 15.6 | 0.4 | 100 | Vermicular spl. Network-like vein (oxide gabbroic) |
YK18-07-6K-1515-R10 | Peridotite | 5295 | 23°50.5202′ N | 138°48.2549′ E | Not measured |  |  |  |  |  | Network-like vein (gabbroic) | |
YK18-07-6K-1515-R15 | Peridotite | 5032 | 23°50.4233′ N | 138°48.4398′ E | Not measured |  |  |  |  |  | Network-like vein (gabbroic) | |
YK19-04S-6K-1536-R12A | Peridotite | 3748 | 23°49.8227′ N | 138°56.7323′ E | Not measured |  |  |  |  |  | Network-like vein (oxide gabbroic) |