Japan

Wikidata ID: Q17

Lithology and Age: Multiple ( Chorlton (2007) )       Macrostrat Geological Map Link

Geonames ID: 1861060       Getty Thesaurus of Geographic Names ID: 1000120

Mindat Loc ID: 14488


Volcanoes:

Minami-Hiyoshi: Trachyandesite / Basaltic Trachyandesite, Composite type, Stratovolcano.

Nikko: Basalt / Picro-Basalt, Composite type, Stratovolcano.

Submarine Volcano NNE of Iriomotejima: Rhyolite, Composite type, Stratovolcano.

Io-Torishima: Andesite / Basaltic Andesite, Composite type, Complex.

Yokoatejima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Akusekijima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Suwanosejima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Nakanoshima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Kuchinoshima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Kuchinoerabujima: Andesite / Basaltic Andesite, Composite type, Stratovolcano(es).

Kikai: Rhyolite, Caldera type, Caldera.

Ata: Andesite / Basaltic Andesite, Caldera type, Caldera(s).

Aira: Andesite / Basaltic Andesite, Caldera type, Caldera.

Yonemaru-Sumiyoshiike: Basalt / Picro-Basalt, Minor (Basaltic) type, Maar(s).

Kirishimayama: Andesite / Basaltic Andesite, Shield type, Shield.

Syoyo Ridge: , Composite type, Complex.

Kogajajima: Andesite / Basaltic Andesite, Minor type, Lava dome(s).

Kobi-sho: , Composite type, Stratovolcano.

Gajajima: , Composite type, Stratovolcano.

Kuroshima: , Composite type, Stratovolcano.

Sendai: , Minor type, Pyroclastic cone.

Satsuma Maruyama: , Minor type, Lava dome.

Imuta: , Minor type, Lava dome(s).

Hokusatsu: , Minor type, Pyroclastic cone.

Kakuto: , Caldera type, Caldera.

Tokara Hirase: , Unknown type, Unknown.

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Note that to see the 'Geology' layer (layer options in top right corner) you may have to zoom out.

Many fabrics have a range of abundances. The range maximum (top) and minimum (bottom) are shown.

** Has full slide image available.

None (0) Minor (1) Few (2) Common (3) Frequent (4) Major (5) Very Dominant (6)
0% 0-5% 5-15% 15-30 % 30-50% 50-70% 70-100%

Name Cal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ SpinelIg./Met. Rocks Sed. Rocks Grog Lithics/ Region
tpr285 0 0 3 0 0 0 0 0 0 0 0 6 0 0 felsitic
Kita Iwo Jima andesitic 0 0 0 0 0 0 0 0 0 0 0 5 0 0 Japan
tpr416 0 2 4 3 1 2 0 0 0 0 0 3 3 0 microphaneritic, felsitic, micorlitic, argillitic, siltstone, chert, tectonite, quartzite, vitric
Honshu Jomon 0 1 4 2 1 1 0 0 0 0 0 2 1 0 Japan
tpr417 6 2 2 0 0 2 0 0 0 0 0 0 0 0 na
Ryukyu calcareous 5 0 0 0 0 0 0 0 0 0 0 0 0 0 Japan
tpr419 0 6 1 0 0 0 0 0 0 0 0 0 1 0 chert
Ryukyu quartzose 0 6 1 0 0 0 0 0 0 0 0 0 1 0 Japan
tpr418 0 1 6 1 1 1 0 0 0 0 0 1 0 1 vitric
Ryukyu feldspathic 0 1 6 0 0 0 0 0 0 0 0 0 0 0 Japan
tpr420 3 4 3 2 2 1 0 1 0 0 0 3 1 0 microphaneritic, vitric
Ryukyu quartzose-feldspathic 2 4 3 1 1 1 0 1 0 0 0 2 1 0 Japan
tpr421 0 3 4 3 0 1 0 0 0 0 0 3 2 0 microphaneritic, metavolcanic, plutonite, siltstone, chert
Ryukyu feldspathic lithic 0 2 4 3 0 1 0 0 0 0 0 3 2 0 Japan
tpr422 0 5 2 0 0 2 0 1 0 0 0 3 3 0 chert, plutonite, microphaneritic
Ryukyu quartzose sedimentary 0 5 1 0 0 1 0 1 0 0 0 2 3 0 Japan

Slides:

Slide Fabric Possible OriginWareCal. QuartzFeldspar Pyroxene Amphibole Opaques OlivineBiotite Muscovite Epidote Garnet/ Spinel Ig./Met. Rocks Sed. Rocks Grog Lithics
WD_14_22 tpr285 (Kita Iwo Jima andesitic) Bonin volcanic 0 0 2 0 0 0 0 0 0 0 0 5 0 0 vitric, lathwork, microlitic
WD_14_23 tpr285 (Kita Iwo Jima andesitic) Bonin volcanics 0 0 1 0 0 0 0 0 0 0 0 6 0 0 microlitic, lathwork, vitric
WD_107_1 tpr416 (Honshu Jomon) Honshu 0 2 4 3 1 1 0 0 0 0 0 3 3 0 microphaneritic, felsitic, micorlitic, argillitic, siltstone, chert, tectonite, quartzite, vitric
WD_107_2 tpr416 (Honshu Jomon) Honshu 0 1 4 3 1 2 0 0 0 0 0 2 1 0 microlitic, vitric, microphaneritic, argillitic, silstone, chert, quartzite, felsitic
WD_107_3 tpr416 (Honshu Jomon) Honshu 0 2 4 2 1 1 0 0 0 0 0 3 3 0 microhaneritic, felsitic, micorlitic, argillitic, siltstone, chert, tectonite, quartzite, vitric
WD_96_19 tpr420 (Ryukyu quartzose-feldspathic) Ryukyu 2 4 3 2 1 1 0 1 0 0 0 3 0 0 microphaneritic, vitric
WD_96_20 tpr420 (Ryukyu quartzose-feldspathic) Ryukyu 2 4 3 2 2 1 0 1 0 0 0 2 0 0 microphaneritic, vitric
WD_96_21 tpr420 (Ryukyu quartzose-feldspathic) Ryukyu 3 4 3 1 1 1 0 1 0 0 0 2 0 0 microphaneritic, vitric
WD_96_24 tpr421 (Ryukyu feldspathic lithic) Ryukyu 0 2 4 3 0 1 0 0 0 0 0 3 2 0 microlitic, metavolcanic, chert, siltstone, microphaneritic
WD_96_25 tpr421 (Ryukyu feldspathic lithic) Ryukyu 0 3 4 3 0 1 0 0 0 0 0 3 2 0 microlitic, metavolcanic, siltstone, chert, microphaneritic
WD_96_6 tpr422a (Ryukyu grog) Ryukyu 0 1 1 0 0 0 0 0 0 0 0 0 0 6 na
WD_96_1 tpr417 (Ryukyu calcareous) Ryukyu 6 1 2 0 0 0 0 0 0 0 0 0 0 0 na
WD_96_3 tpr417 (Ryukyu calcareous) Ryukyu 6 1 1 0 0 0 0 0 0 0 0 0 0 0 na
WD_96_7 tpr417 (Ryukyu calcareous) Ryukyu 6 1 1 0 0 0 0 0 0 0 0 0 0 0 na
WD_96_9 tpr417 (Ryukyu calcareous) Ryukyu 6 1 1 0 0 2 0 0 0 0 0 0 0 0 na
WD_96_5 tpr419 (Ryukyu quartzose) Ryukyu 0 6 1 0 0 0 0 0 0 0 0 0 1 0 chert
WD_96_11 tpr418 (Ryukyu feldspathic) Ryukyu 0 1 6 0 0 0 0 0 0 0 0 0 0 1 na
WD_96_12 tpr418 (Ryukyu feldspathic) Ryukyu 0 1 6 0 0 0 0 0 0 0 0 0 0 1 na
WD_96_13 tpr418 (Ryukyu feldspathic) Ryukyu 0 1 6 0 0 0 0 0 0 0 0 0 0 1 na
WD_96_15 tpr418 (Ryukyu feldspathic) Ryukyu 0 1 6 1 1 1 0 0 0 0 0 1 0 0 vitric
WD_96_16 tpr418 (Ryukyu feldspathic) Ryukyu 0 1 6 1 1 1 0 0 0 0 0 1 0 0 vitric

WD_14_22

KitaIwoJima_1 KitaIwoJima_1
Sherd KIJ1 from Kita Iwo Jima (Kita Iwo Jima). Slide WD_14_22 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

According to Dickinson -only lithics present.


WD_14_23

KitaIwoJima_2 KitaIwoJima_2
Sherd KIJ2 from Kita Iwo Jima (Kita Iwo Jima). Slide WD_14_23 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Mainly andesitic lithic fragments with some plagioclase.


WD_107_1

Mele_112_110 Mele_112_110
Sherd 12-110 from Honshu (Japan). Slide WD_107_1 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Roughly mid-Jomon. Lithics include vitric, felsitic, mirolitic, hypabyssal, chert, argillite, microgranular, tectonite, and quartzite.


WD_107_2

Mele_112_111 Mele_112_111
Sherd 112-111 from Honshu (Japan). Slide WD_107_2 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Late Jomon. Lithics include vitric, felsitic, mirolitic, hypabyssal, chert, argillite, microgranular, tectonite, and quartzite.


WD_107_3

Mele_112_112 Mele_112_112
Sherd 112-112 from Honshu (Japan). Slide WD_107_3 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Lithics include vitric, felsitic, mirolitic, hypabyssal, chert, argillite, microgranular, tectonite, and quartzite.


WD_96_19

Ryukyus_3 Ryukyus_3
Sherd RYU-3 from Ryukyu Islands (Ryukyu). Slide WD_96_19 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Calcareous quartzose.


WD_96_20

Ryukyus_5 Ryukyus_5
Sherd RYU-5 from Ryukyu Islands (Ryukyu). Slide WD_96_20 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Calcareous quartzose.


WD_96_21

Ryukyus_6 Ryukyus_6
Sherd RYU-6 from Ryukyu Islands (Ryukyu). Slide WD_96_21 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Calcareous quartzose.


WD_96_24

Ryukyus_1 Ryukyus_1
Sherd RYU-1 from Ryukyu Islands (Ryukyu). Slide WD_96_24 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Contains granitic lithics. Moderately sorted, subrounded, coarse-grained sand.


WD_96_25

Ryukyus_2 Ryukyus_2
Sherd RYU-2 from Ryukyu Islands (Ryukyu). Slide WD_96_25 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Microphaneritic inclusions from granitic sources.


WD_96_6

Ryukyus_14 Ryukyus_14
Sherd RYU-14 from Ryukyu Islands (Ryukyu). Slide WD_96_6 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Sparse temper. Possibly grog.


WD_96_1

Ryukyus_19 Ryukyus_19
Sherd RYU-19 from Ryukyu Islands (Ryukyu). Slide WD_96_1 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Corralline calcite.


WD_96_3

Ryukyus_21_a Ryukyus_21_a
Sherd RYU-21 from Ryukyu Islands (Ryukyu). Slide WD_96_3 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Calcite shells.


WD_96_7

Ryukyus_15 Ryukyus_15
Sherd RYU-15 from Ryukyu Islands (Ryukyu). Slide WD_96_7 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Formaniferal.


WD_96_9

Ryukyus_8 Ryukyus_8
Sherd RYU-8 from Ryukyu Islands (Ryukyu). Slide WD_96_9 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Limestone calcareous temper.


WD_96_5

Ryukyus_22 Ryukyus_22
Sherd RYU-22 from Ryukyu Islands (Ryukyu). Slide WD_96_5 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Sparse temper.


WD_96_11

Ryukyus_4 Ryukyus_4
Sherd RYU-4 from Ryukyu Islands (Ryukyu). Slide WD_96_11 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic temper, with maybe some grog.


WD_96_12

Ryukyus_11 Ryukyus_11
Sherd RYU-11 from Ryukyu Islands (Ryukyu). Slide WD_96_12 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic with perhaps grog.


WD_96_13

Ryukyus_13 Ryukyus_13
Sherd RYU-13 from Ryukyu Islands (Ryukyu). Slide WD_96_13 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic temper with maybe grog.


WD_96_15

Ryukyus_9 Ryukyus_9
Sherd RYU-9 from Ryukyu Islands (Ryukyu). Slide WD_96_15 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic temper.


WD_96_16

Ryukyus_10 Ryukyus_10
Sherd RYU-10 from Ryukyu Islands (Ryukyu). Slide WD_96_16 from Dickinson Collection, Bishop Museum. x4 Magnification PPL (left) XPL (right). Scale bar: 0.5mm. High resolution image in VIMIPO (user: Guest pwd: Guest). Imaged by K. Hardy and M. Leclerc, ANU.

Feldspathic.


References:

248 Kita Iwo Jima, Ogasawara, Bonin, 2005 (Dickinson, W.)

105 Efate, Vanuatu vs Jomon sherds from Japan 1993 (Dickinson, W.)

048 Ryukyu 1972 (Dickinson, W.)