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freshwater oncoids has been do****ented in two
rivers in Bavaria: the Alz,
whose source is the Chiemsee, and the Moosach, near Freising.
Modern oncoids also...
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Paleoproterozoic oncoids from the
Franceville Basin, Gabon,
Central Africa.
Oncoids are
unfixed stromatolites ranging in size from a few
millimeters to...
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Braided channel –
Deposits form
within a
fluvial channel,
dominated by
oncoids (see oncolite)
Cascade –
Deposits form at waterfalls,
deposition is focused...
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bacteria of the time.
Oncolites are
sedimentary structures composed of
oncoids,
which are
layered structures formed by
cyanobacterial growth. Oncolites...
-
authors list (link) Zhang, Wenhao; et al. (2014). "M****-occurrence of
oncoids at the
Cambrian Series 2–Series 3 transition:
Implications for microbial...
-
normally saline marine environments of
stromatolites and a m****
occurrence of
oncoids during the
event suggested that
minor extinction events like the Lau Event...
-
Province in the
Argentine Northwest. The salt flat
contains systems of
oncoids that grow in the
interface between proper salt flat and an
adjacent wetlands...
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depths do not
exceed 10
centimetres (3.9 in), they form
laminar crusts,
oncoids and
stromatolites that are
accompanied by
microbial mats.
These microbialites...
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including planktonic foraminifera, echinoids, red algae, ostracoda, and
oncoids.
Individual species include Globigerina,
Turborotalia cerroazulensis, Hantkenina...
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springs actively bubbling.
These pools often contain ball-like
rocks called oncoids and are
surrounded by
sinter rims,
which have ****ule-like textures. These...
