WalcottQuarry080509

Författare/Upphovsman:

Mark A. Wilson (Wilson44691) (Department of Geology, The College of Wooster).

[1]

Kreditera:

Eget arbete

Kort länk:

https://sewiki.info/b/40c94

Källa:

Wikimedia Commons

Upplösning:

3000 x 4000 Pixel (8117382 Bytes)

Beskrivning:

Walcott Quarry of the Burgess Shale (Middle Cambrian), British Columbia. The photo shows the Walcott Quarry Shale Member. The white parallel vertical streaks are remnants of drill holes made during excavations in mid-1990s.

Licens:

Public domain