溶結凝灰岩（佐久石） : 溶結凝灰岩（佐久石）

溶結凝灰岩（柴石） : 溶結凝灰岩（柴石）

ADEAC: A System of Digitalization and Exhibition for Archive Collections

溶結凝灰岩(御沢溶岩類)

Tochigi Prefectural Museum

Tochigi Digital Museum "SHUGYOKU"(Culture Resources)

溶結凝灰岩（鬼怒川流紋岩類）

Tochigi Prefectural Museum

Tochigi Digital Museum "SHUGYOKU"(Culture Resources)

凝灰岩 : 凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

凝灰岩 : 凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

凝灰岩 : 凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

凝灰岩 : 凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

輝緑凝灰岩 : 輝緑凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

裾花凝灰岩 : 裾花凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

輝緑凝灰岩 : 輝緑凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

輝緑凝灰岩 : 輝緑凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

輝緑凝灰岩 : 輝緑凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

輝緑凝灰岩 : 輝緑凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

凝灰岩(シラス)

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

凝灰岩 : tuff

Choshi

ADEAC: A System of Digitalization and Exhibition for Archive Collections

緑色凝灰岩（大谷石）

Tochigi Prefectural Museum

Tochigi Digital Museum "SHUGYOKU"(Culture Resources)

輝緑凝灰岩

Town of Oketo Library, Hokkaido

ADEAC: A System of Digitalization and Exhibition for Archive Collections

石灰岩 : 石灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

石灰岩 : 石灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

石灰岩 : 石灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

石灰岩 : 石灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

石灰岩 : 石灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections

笏谷石(火山礫凝灰岩)

Geological Survey of Japan, AIST

Geoscientific Database of Fossil, Rocks and Minerals

内村緑色凝灰岩 : 内村緑色凝灰岩

ADEAC: A System of Digitalization and Exhibition for Archive Collections