Clive Burrett
University of Tasmania
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Featured researches published by Clive Burrett.
Geology | 2000
Clive Burrett; Rf Berry
A comparison of the major geological provinces, belts, and lineaments of Proterozoic Laurentia and Australia results in a reconstruction that fits the Mojave terrane of California-Nevada into a reentrant of the Tasman Line of eastern Australia. This reconstruction, to which K. Karlstrom and others gave the acronym AUSWUS (Australia-Western United States), was first proposed by M. Brookfield in 1993 on the basis of matching major lineaments. AUSWUS brings together the remarkably similar Precambrian geology of Mojavia (California-Nevada) and the Broken Hill block (Australia). AUSWUS also provides suitable intercontinental source terranes for zircons in Tasmania, the Belt basin, and Papua New Guinea.
Earth and Planetary Science Letters | 1974
Clive Burrett
Abstract The coincidence of orogenic belts containing zones of high pressure metamorphism, ophiolites and deepwater sediments with faunal province boundaries leads to the postulation of several sutural zones within Asia. About nine blocks are defined and it is suggested on the basis of palaeogeographical, palaeontological and tectonic evidence that Asia did not fuse completely until well into the Mesozoic.
Earth and Planetary Science Letters | 1985
Clive Burrett; Bryan Stait
The hypothesis that Thailand and Malaysia (the Sibumasu block) were adjacent to Australia in the Early Palaeozoic has been tested by an examination of the Ordovician sequences and faunas of Sibumasu and Australia. The relatively stenogeographic nautiloids of the two areas are remarkably similar and have a Simpson Index of 0.92 at the generic level. Two new genera of discosorids are restricted to the two blocks andGeorgina andMesaktoceras are found elsewhere only in Tibet. Very close affinities are also evident between the gastropod, polyplacophoran and rostroconch molluscs. The Ordovician brachiopod faunas are also very close including the genusSpanodonta. Other very close similarities are found between the Upper Cambrian trilobite faunas and the Ordovician conodonts and stromatoporoids. No Ordovician faunas younger than Upper Whiterockian were found during this study in either northern Australia or Sibumasu and a stratigraphic gap probably exists from the Upper Whiterockian to the Upper Ordovician over most of the two blocks. These remarkably close faunal similarities are good evidence in favour of the hypothesis that Sibumasu was adjacent to Australia during the Early Palaeozoic. Similarly close faunal relationships between North China, South East Asia, Tibet and Australia may also suggest close proximity of those blocks during the Early Palaeozoic.
Alcheringa | 1985
P.A. Jell; Clive Burrett; Maxwell R. Banks
The edrioasteroid Cambraster tastudorum sp. nov. and the ctenocystoid carpoid Ctenocystis jagoi sp. nov. are described from the medial Middle Cambrian of northern Tasmania. A poorly-preserved Tasmanian eocrinoid of probable Tremadocian age from Beaconsfield is assigned to the Macrocystellidae and an equally poorly-preserved rhombiferan of Middle Ordovician age from Ida Bay is assigned to the Echinoencrinitidae. Dissociated plates of Cambraster and at least two other echinoderm species, one probably belonging to Gogia, are noted in the early Middle Cambrian First Discovery Limestone Member of the Coonigan Formation in western New South Wales. Described from northwestern Queensland are the eocrinoid Ridersia watsonae gen. et sp. nov., the oldest isorophid edrioasteroid and the first from the Late Cambrian, the oral surface of Edriodiscus primotica (Henderson & Shergold) necessitating the new generic name as an edrioasteroid and a further edrioasteroid from the same locality tentatively assigned to Stromatoc...
Tectonophysics | 1980
Clive Burrett; Robert Richardson
The biogeographic patterns of Cambrian trilobites are almost impossible to explain on an Early Palaeozoic Pangaea but may be explained by relative movements of several continental blocks separated by wide ocean basins. Realms, regions, provinces and sub-provinces are recognised by progressively agglomerating 450 faunal lists, based on 1371 genera, distributed through eleven time segments. The agglomerating method proposed, is a simple one that may be performed by hand or computer and provides Medial Cambrian results similar to those of Jell (1974) who used principal components and cluster analyses. Simplified results are obtained when time segments are combined or when only the largest list from each 10° (lat. × long.) tessera is used or when only illustrated papers are used or when only lists containing ⩾ 3, 5 or 10 genera are used. The program was also run with all of the presumably planktonic miomerids removed resulting in smaller, better defined provinces with few links between tectonic blocks. The number of polymerid-only realms is three in Albertella Zone times, four in Glossopleura Zone and Eluinia/Conaspis Zone times and five in all other time segments. The average five realms recognised tend to be restricted to one (or rarely two) of the major tectonic blocks: America (excluding Boston and maritime Canada), Europe (including Morocco), Siberia, China and Australia. The existence of the American realm in Argentina through most of the Cambrian and the unlikelihood of a dismembered Gondwanaland necessitates using the latitudinal control hypothesis of Palmer (1972). This hypothesis places the European realm in high palaeolatitudes, the American realm in low palaeolatitudes in the Southern Hemisphere, the Australian realm in low palaeolatitudes in the Northern Hemisphere and the Siberian realm in temperate palaeolatitudes in the Southern Hemisphere. When the miomerids are included, connections between the peripheral ocean-facing regions of one tectonic block are frequently strong with other tectonic blocks. Some of these connections are preserved even when the miomerids are excluded suggesting that many polymerids were pelagic. Connections between Siberia and ocean-facing regions of North America are particularly strong throughout most of the Cambrian.
Palaeogeography, Palaeoclimatology, Palaeoecology | 1973
Clive Burrett
Abstract The changeable biogeography of the Ordovician is reviewed, quantitatively analysed and used to assess possible positions and relative movements of the continental plates. Plate boundaries are defined as precisely as possible using geological and palaeontological data. The trilobites, corals, brachiopods, cephalopods, echinoderms, graptolites and ostracods are found to be useful in defining plate boundaries and relative plate movements. Oceanic barriers are considered to be the simplest explanation for the maintenance of faunal provincialisms. The faunal barriers between South America and Africa and between Australia and Gondwanaland may have been climatic and land barriers. The present Asian continent is divided into Kazakhstan, the Siberian Platform, South Asian, Northern China, India and the Jano-Kolymian block. These areas had different faunal histories and are considered to have had different drift histories. The North China and South Asian plates were separated by the Tsinling Ocean, the Northern European plate from the North American plate by Wilsons Proto-Atlantic and the Siberian Platform plate from the Northern European by the Uralian Ocean. Southern and Central Europe are shown to have been joined to Africa and separated from the Northern European plate by a Mid-European Ocean. If Australia is considered as part of an Ordovician Gondwanaland then the best explanation for the faunal histories of most plates is provided by an anticlockwise rotation of Gondwanaland about the South palaeo-pole.
Geology | 1989
John Long; Clive Burrett
We report the first discovery of abundant Devonian vertebrates from Thailand. An unusual form of coronodontid shark tooth with six equal-sized cusps occurs only in the Upper Devonian of Thailand (Shan-Thai terrane) and south China, and a new species of Phoebodus is reported that occurs elsewhere only in south China and Australia (east Gondwana terrane). The occurrence of the chondrichthyan Harpagodens ( Thrinacodus ) ferox Turner 1982 in the Late Devonian of Thailand, Australia, and south China predates the appearance of this species in Euramerica (early Carboniferous). These data suggest Late Devonian proximity of the Shan-Thai, south China, and east Gondwana terranes, and is in accord with recent paleomagnetic data.
Journal of Southeast Asian Earth Sciences | 1990
Thanis Wongwanich; Clive Burrett; Pol Chaodumrong; Wattana Tansathein
Abstract A 727 m thick sequence of the Lower and Mid Palaeozoic in Satun province, south peninsular Thailand is represented by a continuous succession of deeper water carbonates and clastic rocks ranging from the Caradoc to the Silurian, conformably overlain by the shallower water carbonates and clastic rocks of the Devonian. At least five lithostratigraphic units have been recognised and are formalised here as the Pa Kae Formation, Wang Tong Formation, Kuan Tung Formation, Pa Samed Formation and Khao Chu Nong Formation. The Pa Kae Formation, proposed for the uppermost formation of the Thung Song Group, is made up of a rhythmically interbedded sequence of red weathering (?) grey nodular limestone and dark red argillaceous layers with coarse stromatolitic polygons. This contains an Upper Caradoc-Lower Ashgill trilobite fauna and was probably deposited in deep water. The conformably overlying Wang Tong Formation consists principally of black carbonaceous, graptolitic shale and thin bedded chert, interfingering with dark grey to light grey, micaceous siltstone with Dalmanitina and white-grey graptolitic mudstone. Pyrite nodules are common. The Ordovician-Silurian boundary is placed in the lower part of this formation above the Dalmanitina beds. The Kuan Tung Formation is thin bedded grey and pink limestone with brown argillaceous layers. It changes laterally to red nodular limestone over a short distance. An Emsian conodont fauna is found at the top of the middle member of the Kuan Tung Formation. The Pa Samed Formation consists of a black tentaculitic shale, reddish brown to brown, well bedded, laminated feldspathic sandstone interbedded with red shale, decalcified shale or argillaceous limestone, brownish grey massively bedded sandstone, and brown feldspathic sandstone with grey shale lenses. The youngest unit is a peritidal to shallow subtidal limestone of the Khao Chu Nong Formation, of probable middle-late Devonian age. These formations display a gradual shallowing of the depositional environment from deep marine during the Upper Caradoc through the Mid Devonian, with a short interval of slight shallowing in the Emsian, to shallow marine during the Mid-Upper Devonian.
Australian Journal of Earth Sciences | 1979
Maxwell R. Banks; Clive Burrett
Abstract In Tasmania sedimentary rocks containing shelly fossils at many horizons, some graptolitic horizons and numerous conodont horizons were deposited, apparently continuously, from the Tremadoc Epoch into and after the Llandovery Epoch. Superposition can be demonstrated over this interval so that the position of preserved faunas or biotas relative to one another is clear in most cases. Twenty successive Ordovician faunas are recognized. During the interval represented by this succession the geographical affinities of the faunas were generally with eastern Asian, North American and South American faunas, but in the later part of the Ordovician and in the Silurian the affinities were wider. Because of the clarity of the succession, the duration of deposition and relationships of the faunas, the Tasmanian succession is likely to be a useful link in world correlation, especially for isolated areas such as parts of South America and southeastern Asia.
Geological Magazine | 1984
B. A. Stait; Clive Burrett
Nautiloids from the shallow water Ordovician carbonates of Central and Southern Thailand can be grouped into five broad assemblages. 1. The Middle Ibexian fauna of indeterminate endocerids from Tarutao Island. 2. Hardmanoceras chrysanthimum (Kobayashi) of the Upper Ibexian age strata on Tarutao Island. 3. The Upper Ibexian Manchuroceras nakamense sp.nov. from Ron Phibum, Southern Thailand. 4. Wutinoceras sp., Chaohuceras ? sp. of Lower to Middle Whiterockian age strata from Satun Province. 5. Wutinoceras sp., Armenoceras chediforme Kobayashi and Georgina sp. of Lower-Middle Whiterockian age strata from Kanchanaburi, Central Thailand. All of these genera occur in Australia and China.