Exhibit Guide


Pillow Lava

When high temperature magma flows into the sea, the seawater causes the surface of the magma to cool and harden rapidly. When magma under this crust is still liquid it can break through to form pillow lava. If pillow lava becomes fragmented, the result is pillow breccia.

Floor information

Exibit Contents
01The World's Oldest Mineral
02The World's Oldest Rock
03Pillow Lava
05Banded Iron Formations
07Grypania spiralis
09Mino Belt
10Kamiaso Conglomerate
11Japan's Oldest Rock
12CHIME Dating
13The Original Home of Japan's Oldest Rocks
14Hichiso and the Radiolaria
15Geological Model