Oncolite sp.
Middle Cambrian
Pioche Shale Fm.
Undescribed Mbr
Rachel (near area 51), Lincoln County
Nevada
USA
Cambrian Oncolite sp. algal ball stromatolite like
SKU: TDI196
€ 250,00Price
size: 30 cm x 22 cm
preparator: Gianpaolo Di Silvestro
"Oncolites are sedimentary structures composed of oncoids, which are layered structures formed by cyanobacterial growth. Oncolites are very similar to stromatolites, but, instead of forming columns, they form approximately spherical structures