22-2/I55-4/3-5

22-2/I55-4/4-4 Vertical scale: 750

22-2/I55-4/2-4 Contour interval: 100

22-3/I55-4/4-5/4 Vertical scale: 500

22-2/I55-4/5-4 Vertical scale: 400

75% coverage, SW area is missing 22-3/J54-8/5-1/4 Vertical scale: 200

22-2/J54-04/2-6 Contour interval: 100

200 m line spacing coverage to the east 22-3/J54-4/3-2

Contents: 1.Dent VF. Hypocentre locations from a microearthquake survey, Cadoux, Western Australia, 1983. 2.Glen RA. Inverted transtensional basin setting for gold and copper and base metal deposits at Cobar, New South Wales. 3.Perry WJ, Williamson PE, Simpson CJ. NOAA satellite data in natural oil slick detection, Otway Basin, southern Australia. 4.Stuart Smith PG. The Gilmore Fault Zone - the deformational history of a possible terrane boundary within the Lachlan Fold Belt, New South Wales. 5.Lavering IH. Observations on the geological origin of the 'C' horizon seismic reflection, Eromanga Basin. 6.Jankowski J, Jacobson G. Hydrochemistry of a groundwater-seawater mixing zone, Nauru Island, central Pacific Ocean. 7.Shafik S. Upper Cretaceous and Tertiary stratigraphy of the Fremantle Canyon, South Perth Basin: a nannofossil assessment. 8.Nicoll RS, Shergold JH. Revised Late Cambrian (pre-Payntonian-Datsonian) conodont biostratigraphy at Black Mountain, Georgina Basin, western Queensland, Australia.

Contents: 1.Southgate PN, Shergold JH. Application of sequence stratigraphic concepts to Middle Cambrian phosphogenesis, Georgina Basin, Australia. 2.Lindsay JF. Sequence analysis and depositional models of crinoidal limestones, Permian Yessabah Limestone, Manning-Macleay Basin, eastern Australia. 3.Jacobson G, Jankowski J, Abell RS. Groundwater and surface water interaction at Lake George, New South Wales. 4.Gregson PJ, Everingham IB. Indian Ocean earthquake felt in Australia 19 November 1906.