Thrombolites (from Ancient Greek θρόμβος thrómbos meaning "clot" and λῐ́θος líthos meaning "stone") are clotted accretionary structures formed in shallow...
6 KB (591 words) - 06:19, 20 August 2024
foraminifera were responsible for the decline, favoring formation of thrombolites over stromatolites through microscopic bioturbation. Proterozoic stromatolite...
40 KB (3,939 words) - 03:54, 26 June 2024
similar to stromatolites and are also known from the fossil record. Thrombolites are poorly laminated or non-laminated clotted structures formed by cyanobacteria...
111 KB (11,442 words) - 09:07, 28 September 2024
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"...
270 KB (26,351 words) - 03:02, 10 November 2024
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...
15 KB (1,314 words) - 13:30, 12 June 2024
had a population of 272 in the Canada 2021 Census. It is known for its thrombolite fossils. Climate Flower's Cove has a subarctic climate (Koppen: Dfc)...
10 KB (598 words) - 02:14, 3 August 2024
shelves of the low latitudes, and usually occurred in association with thrombolites. A more pelagic habit was gradually adopted as the Ordovician progressed...
139 KB (15,486 words) - 14:22, 6 November 2024
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...
10 KB (1,099 words) - 02:27, 7 June 2024
endangered. Thrombolite (microbial) community of coastal freshwater lakes of the Swan Coastal Plain (Lake Richmond), endangered. Thrombolite (microbialite)...
23 KB (1,451 words) - 18:46, 21 March 2022
being considerably lighter in hue, and most likely derive from the thrombolite layer below the false summit. The Chinese have also consistently refused...
16 KB (1,923 words) - 17:28, 11 November 2024
that are found in a variety of environments including microbialites (Thrombolite from Pavilion Lake, BC and Stromatolites from Laguna Socompa, Argentina)...
17 KB (1,382 words) - 11:42, 29 February 2024
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...
134 KB (15,441 words) - 23:08, 8 November 2024
nonmarine microbial structures, reported as either stromatolites or thrombolites, have been found. Like Lake Cooloongup, Lake Walyungup is thought to...
6 KB (505 words) - 18:50, 19 July 2024
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...
35 KB (3,714 words) - 14:31, 19 October 2024
migration patterns. At the edge of Lake Clifton, rock-like structures called thrombolites (similar to stromatolites) can be seen, built by tiny micro-organisms...
8 KB (795 words) - 13:33, 9 October 2024
the hand sample, the rock shows a dendritic fabric, and can be named thrombolite. Leiolitic: a microbialite with no layering nor clotted peloidal fabric...
21 KB (2,217 words) - 15:46, 7 November 2024
contrast, characterised by evaporites, evidence of desiccation, and had thrombolites. Avalonia and Gondwana must therefore have been located far from each...
16 KB (1,600 words) - 16:18, 4 July 2024
view thrombolites which, like stromatolites, are structures built by micro-organisms, especially cyanobacteria. Some of the fossilized thrombolites have...
9 KB (809 words) - 02:29, 12 July 2024
Watters, Wesley A.; Knoll, Andrew H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
11 KB (1,265 words) - 15:09, 18 September 2024
Grotzinger, J.P.; Watters, W.A.; Knoll, A.H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
40 KB (4,942 words) - 22:10, 29 August 2024
cnidarians or cyanobacterial accumulations akin to stromatolites or thrombolites. The first unambiguous stromatoporoids appeared in the Ordovician, but...
46 KB (4,843 words) - 19:03, 15 August 2024
shelves of the low latitudes, and usually occur in association with thrombolites. They gradually adopted a more pelagic habit as the Ordovician progressed...
37 KB (4,187 words) - 18:48, 9 November 2024
Grotzinger, J.P.; Watters, W.A.; Knoll, A.H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
83 KB (5,053 words) - 22:56, 10 November 2024
Aquatic Root Mat Community 1 in Caves of the Leeuwin Naturaliste Ridge Thrombolite (microbial) community of coastal freshwater lakes of the Swan Coastal...
12 KB (1,278 words) - 07:02, 27 September 2023
microfacies, for example stromatolites, that are laminated microbialites, and thrombolites, that are microbialites characterized by clotted peloidal fabric at the...
36 KB (4,202 words) - 19:36, 6 November 2024
other marine invertebrates, as well as conodonts, stromatolites, and thrombolites. The Survey Peak Formation formed as a shallow and at times emergent...
5 KB (434 words) - 08:55, 4 August 2023
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...
33 KB (1,902 words) - 05:15, 21 September 2024
J.P.; Watters, W. A.; Knoll, A. H. (2000). "Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia"....
4 KB (409 words) - 02:27, 15 September 2024
Australia. Species: Australomedusa baylii Russell, 1970 Australomedusa thrombolites Zeidler & Gershwin, 2004 "Australomedusa Russell, 1970". www.gbif.org...
796 bytes (44 words) - 18:00, 11 January 2024
J. P. , Watters, W. and Knoll, A. H., 2000, Calcified metazoans in thrombolite-stromatolite reefs of the terminal Proterozoic Nama Group, Namibia. Paleobiology...
18 KB (2,455 words) - 16:28, 2 March 2024