Category:Sphalerite of the Pottsville Formation

Subcategories

This category has only the following subcategory.

Sphalerite in ironstone concretion (lower Pottsville Group; Irish Ridge East roadcut, Ohio)‎ (5 F)

Media in category "Sphalerite of the Pottsville Formation"

This category contains only the following file.

Sphalerite in ironstone concretion (lower Pottsville Group, Lower Pennsylvanian; Irish Ridge East roadcut, near Trinway, Ohio, USA) 4 (38697193542).jpg 2,715 × 2,320; 3.6 MB

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