Series of Archaean greenstone belts and volcanic rock formations in South Africa and Eswatini
Onverwacht Group
Stratigraphic range: Paleoarchean >3300 Ma
Pha.
Proterozoic
Archean
Had.
↓
Type
Geological group
Sub-units
Subunits
Underlies
Fig Tree Formation
Thickness
16,370 m (53,710 ft)
Lithology
Primary
Greenstone belt
Other
Volcanic rock
Location
Coordinates
25°48′S31°00′E / 25.8°S 31.0°E / -25.8; 31.0
Region
Barberton Greenstone Belt, Mpumalanga
Country
South Africa Eswatini
Extent
Kaapvaal Craton
Location of the Barberton Greenstone Belt
The Onverwacht Group or Onverwacht Series is a series of greenstone belts and volcanic rock formations from the Archean Eon in the Kaapvaal Craton in South Africa and Eswatini.
A well known part of the Onverwacht Series is visible in the Komati valley, located in the east of the Transvaal region.
The OnverwachtGroup or Onverwacht Series is a series of greenstone belts and volcanic rock formations from the Archean Eon in the Kaapvaal Craton in South...
the Paleoarchean era. The Kromberg Formation, near the top of the OnverwachtGroup which itself is a part of the Barberton Greenstone Belt, dates back...
M. J.; Drost, K. (2011). "Palaeomagnetism of Archaean rocks of the OnverwachtGroup, Barberton Greenstone Belt (southern Africa): Evidence for a stable...
thickness of 12 km, with the overlying basaltic lavas (the Drakensberg Group) at least 1.4 km thick. Fossils include plants (both macro-fossils and pollen)...
involved are generally sandstones and shales, with the shales (Bokkeveld Group) persisting in the valley floors while the erosion resistant sandstones...
re-radiate into a number of species within the genus, becoming the most common group of terrestrial vertebrates during the Early Triassic; for a while, 95% of...
lamproites than they do to group I kimberlites. Hence, he reclassified group II kimberlites as orangeites to prevent confusion. Group-I kimberlites are of CO2-rich...
46 Hooggenoeg, 3.42 Kromberg and 3.33 Ga Mendon Formations of the OnverwachtGroup. The 3.43 Ga Strelley Pool Formation in Western Australia hosts stromatolites...
Barberton Greenstone Belt Fig Tree Formation OnverwachtGroup Heubeck, Christoph (2019). "The Moodies Group—a High-Resolution Archive of Archaean Surface...
batholiths, that were intruded into the Malmesbury Group about 630 million years ago, and the Table Mountain group sandstones that were deposited on the eroded...
thick layer of rock is termed the "Central Rand Group". The "West Rand Group" and "Central Rand Group" of rocks together form the "Witwatersrand Supergroup"...
it to be a synapsid. Recent study of Mesosauridae phylogeny places the group as either the basal most clade within Parareptilia or the basal most clade...
a basal (or "primitive") group within the order of ornithischian dinosaurs, while their closest affinities within the group are debated. In spite of the...
the homonymy between the dinosaur Syntarsus and beetle Syntarsus, but the group who published Megapnosaurus have claimed that they believed Raath was deceased...
originally discovered in the Lystrosaurus Assemblage Zone of the Beaufort Group of South Africa. The genoholotype, BMNH R 511, was in 1887 described by...
association suggest that this early ornithischian dinosaur may have lived in groups. The skull and teeth of Lesothosaurus are more generalized than the heavily...
woody trees and herbaceous ferns, and belongs to the progymnosperms, a group of extinct plants with gymnosperm-like wood but that produce spores rather...
Farm" locality in the upper Elliot Formation which is part of the Stormberg Group in Eastern Cape Province, South Africa. It was collected by James Kitching...
specimens, it is from the Lystrosaurus Assemblage Zone of the Beaufort Group of South Africa. Chasmatosaurus yuani was named by C. C. Young in 1936,...
Earth. It contains the world's largest reserves of platinum-group metals (PGMs) and platinum group elements (PGEs) — platinum, palladium, osmium, iridium,...
and platinum group metals are produced in Zimbabwe and South Africa. Of the multitudes of companies involved in producing platinum group metals in these...
(1991). "Microfossils and possible microfossils from the early Archean OnverwachtGroup, Barberton mountain land, South Africa". Precambrian Research. 54 (2–4):...
Stormberg Group is one of the four geological groups that comprises the Karoo Supergroup in South Africa. It is the uppermost geological group representing...
short-snouted therocephalian, possessing large canines as is typical of the group. However, it is notable among therocephalians for possessing ridges on its...
the Diagram Group (1983). A Field Guide to Dinosaurs. New York: Avon Books. p. 103. ISBN 978-0-380-83519-5. Lambert, David; the Diagram Group (1990). The...
Global Information
South Africa
Eswatini