Gora Tuffaceous Sand-mud Member

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Gora Tuffaceous Sand-mud Member Mannen, 2014

Type locality: 300 - 400 m above sea level, Gora, Hakone city, Kanagawa prefecture
Coherent formation
Late Pleistocene

Sedimentary facies: Terrestrial
Climate: Cold temperate - Subarctic
Lithofacies: Pumiceous siltstone, Sandstone, Conglomerate

Thickness: 140 m
Upper limit: Unconformity (Younger Central Cones)
Lower limit: Conformity

Stage IV
[ Upper ]
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Gora Tuffaceous Sand-mud Member
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Gora Lapilli Tuff Member
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[ Lower ]

Hakone volcano
[ Upper ]
+__+__+__+__+_
Stage V
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Stage IV
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Stage III
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Stage II
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Stage I
~~~~~~~~~~~~~~
[ Lower ]

Hakone volcanoes
[ Upper ]
+__+__+__+__+_
Hakone volcano
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Yugawara volcano
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[ Lower ]

------ Conformity, ~~~~~~ Unconformity, ~~~--- Local unconformity, '''/,, Interfingered, :::::: Fault, /--/-- Thrust, +__+__ Ground surface, ?--?-- Unknown

Distribution: Hakone city, Kanagawa pref.
Fossils (Plants): Picea, sp., Pinus sp., Tsuga sp., Abies sp., Cryptomeria sp., Hemiptelea sp.
Fossils (Diatoms): Aurlacoseira islandica, Cyclotella reczickiae, Epithemia turgidula var. westermanii, Fragilaria ulna, Fragilaria zeillei var. elliptica, Rhopalodia gibba

Mannen (2014) Jour. Geol. Soc. Japan, vol.120, no.4, pp.117-136 DOI