“Bringing The Past, Into the Future”

Northern Geological Supplies Ltd
Northern Geological Supplies Ltd

“Bringing The Past, Into the Future”

Shale (Graptolitic)

Dark grey Graptolitic Shale from Scotland or Cumbria. Contains the delicate blade-like fossils of Graptolites. These were small, colonial marine creatures. Please note that the graptolite content of these specimens is variable.

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SKU: SEDROK060 Category:

Shale is a fine grained clastic rock composed mainly of mud,silt & clay mineral flakes which produce the fissile structure. This shale contains the small, delicate, blade-like fossils of colonial marine creatures known as Graptolites. (phylum Hemichordata). They are known chiefly from the Upper Cambrian through the Lower Carboniferous Their name is derived from Greek graptos & lithos, which roughly translates as "written on rock" as they do have the appearance of being pencil drawn. Their structure is best viewed with a hand lens. Graptolites are globally wide ranging so are used as index fossils. Our examples have been collected in the Southern Uplands of Scotland & Cumbria. Due to their fragile nature, the graptoite content of these examples is variable. Each specimen is supplied in a labelled card tray.

Additional information

Weight 120 g
Specimen Size

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