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  • Contents: 1.Black LP, Blake DH, Olatunji JA. Ages of granites and associated mineralisation in the Herberton tinfield of northeast Queensland. 2.Simpson CJ. LANDSAT: developing techniques and applications in mineral and petroleum exploration. 3.Pinchin J. A seismic investigation of the eastern margin of the Galilee Basin, Queensland. 4.Collins CDN. Crustal structure of the central Bowen Basin, Queensland. 5.Shafik S. A new nannofossil zone based on the Santonian Gingin Chalk, Perth Basin, Western Australia. 6.Black LP, Gulson BL. The age of the Mud Tank Carbonatite, Strangways Range, Northern Territory. 7.Green DC, Hulston JR, Crick IH. Stable isotope and chemical studies of volcanic exhalations and thermal waters, Rabaul caldera, New Britain, Papua New Guinea. 8.Sydenham PH. Early geophysical practice - the BMR instrument collection. 9.Smith EL. Storage and retrieval systems for the Reference Minerals Collection and the Georgina Basin Project (BMR). 10.Riesz EJ. Can rank-size 'laws' be used for undiscovered petroleum and mineral assessments. 11.Seventh BMR Symposium.

  • The Bureau of Mineral Resources conducted a combined seismic and detailed gravity survey in 1977 to investigate the nature and structure of the Toko Syncline in the Georgina Basin and the nature of the Toomba fault which forms the southwest margin of the syncline. The survey recorded a total of 285 km of reflection coverage mainly with six-fold common-depth-point recording, but some twelve-fold in the area of the Toomba Fault. Raw data for this survey are available on request from clientservices@ga.gov.au - Quote eCat# 74976

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The enigmatic conodont Clavohamulus primitus Miller is described from the Tremadocian part of the Ninmaroo Formation, Georgina Basin. This key subzone species for North American sequences in Oklahoma, Texas and Utah has been discovered in two samples, one from Western Queensland and the other from the Northern Territory. The discovery enables a firmer correlation of the Lower Tremadocian part of the Georgina sequence with sequences in North America. The microstructure of C. primitus is discussed and illustrated.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.

  • The R502 series of maps has been replaced by the National Topographic Map Series (NTMS). The R502 series consists of 542 map sheets and covers Australia at a scale of 1:250,000. It was compiled from aerial photography, but only about one quarter of the series was contoured. The standard sheet size is 1 degree of latitude by 1.5 degrees of longitude. Transverse Mercator map projection and Clark 1858 datum were used. Coverage of the country was completed in 1968.