septarian nodules

Septarian concretions mystery: pockets and quartz

septarian concretions formed

Septarian concretions (Septarian nodules) mystery – are large Septarian concretions formed around objects or are the objects themselves formed in the Septarian concretion partitions (pockets or vugs)? This strange looking boulder appears to be a largish Septarian concretion, as it has the quartz pattern going through it, has a flat bottom and its outer layer …

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