Woodgreen, Northern Territory : explanatory notes
Northern Territory Geological Survey
E-Publications; E-Books; PublicationNT; Australia 1:100 000 Geological Map Series
2007
Australia 1:100 000 Geological Map Wood 5458; Australia 1:250 000 Geological MapAlcoota SF5310; Australia 1:250 000 Geological MapAlcoota SF5310
1:100 000
Made available via the Publications (Legal Deposit) Act 2004 (NT); Available from GEMIS - Geoscience Exploration and Mining Information System
English
Geology; Georgina Basin; Arunta Region
Northern Territory Government; Northern Territory Government
Darwin
1st ed.
Australia 1:100 000 Geological Map Series
application/pdf
9780724571321
0811-6296
Attribution International 4.0 (CC BY 4.0)
Northern Territory Government
https://creativecommons.org/licenses/by/4.0/
https://geoscience.nt.gov.au/gemis/ntgsjspui/handle/1/81885 [GEMIS]
https://hdl.handle.net/10070/794795
https://hdl.handle.net/10070/794807
27 Powell PRP, 1981. Annual report EL2248, NT. Northern Territory Geological Survey, Open File Company Report CR19810132. Scrimgeour IR, 2003. Developing a revised framework for the Arunta Region: in Annual Geoscience Exploration Seminar (AGES) 2003. Record of abstracts'. Northern Territory Geological Survey, Record 2003001. Scrimgeour IR, 2004. A revised province definition and Palaeoproterozoic framework for the Arunta Region, central Australia. Geological Society of Australia, Abstracts 73, 185. Scrimgeour IR and Raith JG, 2001. Tectonic and thermal events in the northeastern Arunta Region. Northern Territory Geological Survey, Report 12. Scrimgeour IR, Smith JB and Raith JG, 2001. Palaeoproterozoic highT, lowP metamorphism and dehydration melting in metapelites from the Mopunga Range, Arunta Inlier, Australia. Journal of Metamorphic Geology 19, 721740. Senior BR, 1972. Cainozoic laterite and sediments in the Alcoota sheet area, N.T. 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Elkedra, Northern Territory (Second Edition). 1:250 000 geological series explanatory notes, SF 5307. Northern Territory Geological Survey, Darwin. Utah Development Company, 1970. First annual report for prospecting authority No 2430, NT, for the period ending November 25th, 1970. Northern Territory Geological Survey, Open File Company Report CR19700076. Wade M, 1969. Medusae from the uppermost Precambrian or Cambrian sandstones, central Australia. Palaeontology 12, 351365. WakelinKing GA, 1999. Banded mosaic (tiger bush') and sheetflow plains: a regional mapping approach. Australian Journal of Earth Sciences 46, 5360. Walter MR, 1980. Adelaidean and Early Cambrian stratigraphy of the southwestern Georgina Basin: correlation chart and explanatory notes. Bureau of Mineral Resources, Australia, Report 214 (BMR Microform MF92). Walter MR, Elphinstone R and Heys GR, 1989. Proterozoic and Early Cambrian trace fossils from the Amadeus and Georgina Basins, central Australia. Alcheringa 13, 209256. Walter MR, Veevers JJ, Calver CR and Grey K, 1995. Neoproterozoic stratigraphy of the Centralian Superbasin. Precambrian Research 73, 173195. Warren RG, 1978. DelnyMount Sainthill Fault System, eastern Arunta Block, central Australia. BMR Journal of Australian Geology and Geophysics 3, 7679. Woodburne MO, 1967. The Alcoota fauna, central Australia: an integrated palaeontological and geological study. Bureau of Mineral Resources, Australia, Bulletin 87. World Geoscience Corporation, 1997. Airborne geophysical survey, Alcoota/Alice Springs: survey details, technical specifications and processing summary. Northern Territory Geological Survey, Technical Report GS1997006. Youles IP, 1965. Copper mineralisation in the Central Mount Stuart beds at Mount Skinner, NT. Northern Territory Mines Branch, Northern Territory Administration, Report MBR/65/4. Zhao Jianxin and Bennett VC, 1995. SHRIMP UPb zircon geochronology of granites in the Arunta Inlier, central Australia: implications for Proterozoic crustal evolution. Precambrian Research 71, 1743. APPENDIX 1 NEW STRATIGRAPHIC UNITS Anira Metamorphics (new name) Proposers: PW Haines and IR Scrimgeour. Derivation of name: Anira Dam (2220'56"S, 13420'51"E). Synonymy: Previously mapped (Shaw and Warren 1975) as part of Woodgreen Granite Complex. Constituent units: None. Parent unit: None. Distribution: Only known from vicinity of type area, where main outcrop is about 1 km long. Assumed to extend beyond this area in the subsurface, particularly to north and east. Rafts of similar lithology are present within Woodgreen Granite Complex, to west and northwest of type area. Geomorphic expression: Low hills. Type locality: Hill, 2 km northnorthwest of Anira Dam in southeastern quadrant of Woodgreen (2219'36"S, 13420'22"E). Description at type locality: Granulitefacies metasedimentary rocks, predominantly cordieritesillimanitespinel migmatitic metapelite, with lesser metapsammite. Well defined primary sedimentary layering. Psammitic layers represent 1020% of the succession and are typically 15 cm thick, with internal sedimentary layering. Intruded by bodies of granite assigned to the Woodgreen Granite Complex. Thickness: Unknown, due to incomplete outcrop and structural complications. Lithology: As for type locality. Depositional environment: Unknown, due to degree of metamorphism. Relationships and boundary criteria: Intruded by Woodgreen Granite Complex; rafts of similar metasedimentary lithology are present within the Woodgreen Granite Complex to the west of the type area. No other contacts exposed. Age and evidence: Not dated, but assumed on regional evidence to have been metamorphosed during the late Palaeoproterozoic, most likely during the Strangways