Rocks composed of augite-hypersthene basalt and olivine basalt, the only subaerial part of the rim of a 9 km wide caldera, the rest of which is entirely underwater.

Bayonnaise Rocks Volcano Eruptions
1970, 1960, 1959, 1958, 1957, 1955, 1954, 1952-53, 1946, 1934, 1915, 1906, 1896.

Possible eruptions occurred in 1988, 1987, 1986, 1983, 1980, 1979, 1971

List of minerals for each chemical element

Fossils

This region is too big or complex to display the fossil list, try looking at smaller subregions.

Other Databases

Wikipedia:	https://en.wikipedia.org/wiki/Bayonnaise_Rocks
Wikidata ID:	Q812578
GeoNames ID:	1864734

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Bayonnaise Rocks, Hachijō Subprefecture, Tokyo Metropolis, JapaniRegional Level TypesBayonnaise RocksGroup of Exposures Hachijō SubprefectureSubprefecture Tokyo MetropolisPrefecture JapanCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

List of minerals for each chemical element

Fossils

Other Databases

Bayonnaise Rocks, Hachijō Subprefecture, Tokyo Metropolis, Japan i
Regional Level Types
Bayonnaise Rocks Group of Exposures
Hachijō Subprefecture Subprefecture
Tokyo Metropolis Prefecture
Japan Country