DETAIL VIEW: sedimentology_323.jpg

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TOPIC: Sedimentology; Concretions

ABSTRACT: Concretion; as 22. Concretion is in very finely interlaminated sandstone and mud; now quite strongly bioturbated. Up close; laminae can be traced across concretion: probably not visible in photo.

PERIOD: _

LOCATION: Africa; South Africa; Zinguin Tunnel; Middle Ekka Group; Vryheid Formation

SLIDE: 35mm Slide, Cox 4

DATE: 1994

AUTHOR: Cox; Ronadh; Oberholzer; Marinda