(Invalid name) Suzugasawa Lava

Type locality: Mizoguchigawa river, Otaki city, Kiso county, Nagano prefecture
Volcanic rocks
Composite stratovolcano
middle Pleistocene

Lithofacies: Hypersthene augite andesite lava (2 flow units), Pyroclastic rocks
Structures: Platy joint

Thickness: ca. 20 m
Upper limit: Unconformity (Mizoguchigawa Lava)
Lower limit: Unconformity (Tobu volcano)

(Invalid) Older Ontake Volcanic Rocks
[ Upper ]
~~~~~~~~~~~~~~
(Invalid name) Mikasayama Lava = Mikasayama volcano
~~~~~~~~~~~~~~
(Invalid name) Mizoguchigawa Lava
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(Invalid name) Nunokawa Lava
~~~~~~~~~~~~~~
(Invalid name) Suzugasawa Lava
~~~~~~~~~~~~~~
(Invalid name) Sengendaru Lava = Nigorigo volcano
~~~~~~~~~~~~~~
(Invalid name) Kuragoehoara Lava = Tobu volcano
~~~~~~~~~~~~~~
(Invalid name) Makuiwagawa Lava
~~~~~~~~~~~~~~
(Invalid name) Hakotani Lava
~~~~~~~~~~~~~~
(Invalid name) Shiranunodani Lava
~~~~~~~~~~~~~~
(Invalid name) Tsuchiurazawa Lava = Tsuchiurazawa volcano
~~~~~~~~~~~~~~
[ Lower ]

Ontake volcano
[ Upper ]
~~~~~~~~~~~~~~
Younger Ontake Volcanic Rocks
~~~~~~~~~~~~~~
Older Ontake Volcanic Rocks
~~~~~~~~~~~~~~
[ Lower ]

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

Distribution: Mizoguchigawa river, Otaki city, Kiso county, Nagano pref.

Yamada and Kobayashi (1988) Geology of the Ontakesan District, Quadrangle Series, Scale 1:50,000, Geological Survey of Japan, 136p. (in Japanese with English abstract 9p.)