Area

Granitic rock

Age

Mgt/Ilm series

Metal type

Sample No.

Hidaka

Toyonidake cordierite tonalite

Paleogene to Neogene

Ilm

No mineralization

HD02

Toyonidake hornblende tonalite

Neogene

Ilm

No mineralization

HD05

Ohkawame mine

Granitic rocks in the zones I and II

Cretaceous

Mgt

Mo

OK01, OK04, OK05, OK07, OK11

Kamaishi mine

Ganidake granodiorite

Cretaceous

Mgt

Cu-Fe

KM03, KM04

Ganidake diorite/diorite porphyry

Cretaceous

Mgt

Cu-Fe

KM05, KM09

Yaguki mine

Eastern granodiorite

Cretaceous

Mgt

Cu-Fe

YG01, TG04

Central granodiorite

Cretaceous

Mgt

Cu-Fe

YG08

Western granodiorite

Cretaceous

Mgt

W

YG16, YG17

Tsukuba

Tsukuba two mica granite

Paleogene

Ilm

No mineralization

TK01

Inada coarse-grained granite

Paleogene

Ilm

W

TK08, TK09

Kamishiro fine-grained granodiorite

Paleogene

Ilm

No mineralization

TK11

Inada medium-grained granodiorite

Paleogene

Ilm

No mineralization

TK12, TK14

Inada fine-grained granite

Paleogene

Ilm

No mineralization

TK13, TK15

Tsukuba porphyritic granodiorite

Paleogene

Ilm

No mineralization

TK16

Chichibu mine

Chichibu quartz diorite

Neogene

Mgt

Pb-Zn(-Cu-Fe)

CC03, CC04, CC08

Tanzawa

Yushin tonalite

Neogene

Mgt

Fe

TZ05, TZ08

Azegamaru tonalite

Neogene

Mgt

Fe

TZ10, TZ11

Ohtani mine

Ohtani or Gyojayama granite

Cretaceous

Ilm

W

OT02, OT03

Daito-Yamasa mine

Yamasa leucocratic granite

Paleogene

Mgt

Mo

DY03, DY04

Renge granodiorite

Paleogene

Mgt

Mo

DY07, DY08

Leucocratic granite complex

Paleogene

Mgt

Mo

DY11

Kawai Hb-Bi hybrid rock

Paleogene

Mgt

Mo

DY10, DY14

Fujigatani-Kiwada mine

Nakayamagawa complex

Cretaceous

Ilm

No mineralization

IW02

Habu granodiorite

Cretaceous

Ilm

W

IW07, IW08

Shimokuhara granite

Cretaceous

Ilm

No mineralization

IW13

Osogoe complex

Cretaceous

Ilm

W

IW18, IW19

Taishu mine

Uchiyama granitic rock and others

Neogene

Mgt-Ilm

Pb-Zn

TS05, TS07, TS08, TS13

Obira mine

Obira granite porphyry

Neogene

Ilm

Pb-Zn

OB02, OB09, OB10

Obira biotite granite

Neogene

Ilm

Sn

OB01, OB04, OB06

Osuzu mine

Osuzu granodiorite/granite porphyry

Neogene

Ilm

Sn

OS02, OS03, OS04

Suzuyama mine

Suzuyama granite porphyry

Neogene

Ilm

Sn

SZ03, SZ04, SZ05

Yakushima

Yakushima granite

Neogene

Ilm

W

YK01, YK04, YK07