Exhibit Guide


Banded Iron Formations

Banded iron formations are rocks made of alternating sedimentary layers of chert and oxidized iron. Worldwide, 90% of iron is found in banded iron formations, many of which were formed between 1.9 and 2.6 billion years ago. The gemstone 'tiger's eye' is only found in banded iron formations.

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