Mt Gee, Arkaroola, is 60m thick slab of crystalline quartz, resulting from hydrothermal activity. The prolific quartz cavities present a great variety of crystal form, colour and growth stages, including nail-hole quartz, only found at Arkaroola.


Mt Gee, Arkaroola, is 60m thick slab of crystalline quartz, resulting from hydrothermal activity. The prolific quartz cavities present a great variety of crystal form, colour and growth stages, including nail-hole quartz, only found at Arkaroola.



An example of weathered Balcanoona Formation of flaggy dolomite progressing to massive dolomite with limestone conglomerate layers.

Calcite geodes.

Limestone conglomerate beneath interesting dolomite formation.

For more information about the Balcanoona Formation, see The Legacy of Time.
Magnification 20x. Continue reading “Dihydrogen Monoxide crystals, also known as frost”