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Core

Core

Core showing mineral sulphur

Core showing mineral sulphur

Laminated U core

Laminated U core

1954-1983
Three twin semi circular cores

Twin semi circular cores

3 Elliptical cores, 1 concentric

3 Elliptical cores, 1 concentric

2 circular cores, twin semi circular cores

2 circular cores, twin semi circular cores

Laminated I core

Laminated I core

1954-1983
Three concentric elliptical cores

Concentric elliptical cores

2 circular and 2 triangular cores, brass screen overall

2 circular and 2 triangular cores

3 cloverleaf cores, 1 concentric

3 cloverleaf cores, 1 concentric

Six drilling cores.

Six drilling cores

Two cores with flakes attached

Two cores with flakes attached