Exhibit Guide


CHIME Dating

CHIME is a uranium, thorium, and lead dating method developed in 1991 by Nagoya University researchers Dr.Kazuhiro Suzuki and Dr.Mamoru Adachi. With CHIME it has been possible to discover zircon dating back 3.5 billion years, far before the 2.0 billion years of Japan's oldest rock.

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