Clotted accretionary structures formed in shallow water
Further information: Microbial mat
Modern thrombolites in Lake Clifton, Western AustraliaJurassic thrombolite formed around a tree trunk; Purbeck Formation, Isle of Portland, Dorset, England.Fossil Thrombolites at Lake Walyungup
Thrombolites (from Ancient Greek θρόμβος thrómbos meaning "clot" and λῐ́θος líthos meaning "stone") are clotted accretionary structures formed in shallow water by the trapping, binding, and cementation of sedimentary grains by biofilms of microorganisms, especially cyanobacteria.[1]
^Kennard, John M.; James, Noel P. (1986). "Thrombolites and Stromatolites: Two Distinct Types of Microbial Structures". PALAIOS. 1 (5): 492. doi:10.2307/3514631. JSTOR 3514631.
Thrombolites (from Ancient Greek θρόμβος thrómbos meaning "clot" and λῐ́θος líthos meaning "stone") are clotted accretionary structures formed in shallow...
foraminifera were responsible for the decline, favoring formation of thrombolites over stromatolites through microscopic bioturbation. Proterozoic stromatolite...
similar to stromatolites and are also known from the fossil record. Thrombolites are poorly laminated or non-laminated clotted structures formed by cyanobacteria...
original constituents could not be determined. A thick, white-weathering thrombolite bed that is 60 m (200 ft) thick comprises the foot of the "Third Step"...
the Virginia Museum of Natural History. In the foreground is a large Thrombolite-stromatolite (1.9 m diameter). In the background, the skeleton of a theropod...
shelves of the low latitudes, and usually occurred in association with thrombolites. A more pelagic habit was gradually adopted as the Ordovician progressed...
Gariep Belt in the south to outcrops of pre-Damara basement in the north. Thrombolite-stromatolite reefs in the Nama Group are best developed in the Kuibis...
endangered. Thrombolite (microbial) community of coastal freshwater lakes of the Swan Coastal Plain (Lake Richmond), endangered. Thrombolite (microbialite)...
that are found in a variety of environments including microbialites (Thrombolite from Pavilion Lake, BC and Stromatolites from Laguna Socompa, Argentina)...
mineralized tubes are often found in carbonates of the stromatolite reefs and thrombolites, i.e. they could live in an environment adverse to the majority of animals...
contrast, characterised by evaporites, evidence of desiccation, and had thrombolites. Avalonia and Gondwana must therefore have been located far from each...
is the closest city to Yalgorup National Park which is home to modern thrombolites as well as an array of flora and fauna. Mandurah is located in the Swan...
nonmarine microbial structures, reported as either stromatolites or thrombolites, have been found. Like Lake Cooloongup, Lake Walyungup is thought to...
the hand sample, the rock shows a dendritic fabric, and can be named thrombolite. Leiolitic: a microbialite with no layering nor clotted peloidal fabric...
Watters, Wesley A.; Knoll, Andrew H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
cnidarians or cyanobacterial accumulations akin to stromatolites or thrombolites. The first unambiguous stromatoporoids appeared in the Ordovician, but...
shelves of the low latitudes, and usually occur in association with thrombolites. They gradually adopted a more pelagic habit as the Ordovician progressed...
Aquatic Root Mat Community 1 in Caves of the Leeuwin Naturaliste Ridge Thrombolite (microbial) community of coastal freshwater lakes of the Swan Coastal...
other marine invertebrates, as well as conodonts, stromatolites, and thrombolites. The Survey Peak Formation formed as a shallow and at times emergent...
from 120 to 800 metres (390 to 2,620 ft). Zones of stromatolites and thrombolites (non-laminated algal mounds) occur in several formations in the Bertie...
Grotzinger, J.P.; Watters, W.A.; Knoll, A.H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
microfacies, for example stromatolites, that are laminated microbialites, and thrombolites, that are microbialites characterized by clotted peloidal fabric at the...
Grotzinger, J.P.; Watters, W.A.; Knoll, A.H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
of the lake are home to thrombolites, estimated to be about six million years old. The internal structure of the thrombolites is believed to be unique...
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