..., the Georgetown Inlier had completely separated from Laurentia, and ca. 1600 Ma collided with Australia during supercontinent Nuna amalgamation. The lower Etheridge Group zircon age spectrum shows a closer affinity to basement ages from Laurentian cratonic blocks than to those from cratonic Australia...

.... Etheridge , R. , 1919 , The Cambrian trilobites of Australia and Tasmania : Transactions of the Royal Society of Australia , 43 . 373 – 393 . Ethington , R. L. , 1972 , Lower Ordovician (Arenigian) conodonts from the Pogonip Group, central Nevada : Geologica et Palaeontologica , 1 . 17...

...-diagnostic Coniacian ammonite, Placenticeras kaffrarium Etheridge and two inoceramid bivalves, Inoceramus (Mytiloides) incertus Jimbo and I. (Platyceramus) mantelli (Barrois) Mercey in the underlying horizons, help in resolving the long standing problem of the age of the Bagh Group. B. onilahyense shows wide...

.... , Withnall , I.W. , and Bain , J.H.C. , 1998 , U-Pb zircon age for the Etheridge Group, Georgetown region, North Queensland: Implications for relationship with the Broken Hill and Mount Isa sequences : Australian Journal of Earth Sciences , v. 45 p. 925 – 935 . Bull , S.W. , and Rogers...

... being from the same colony. Differences relate to details of zooecial parameters and are not controlled by colony morphology. This variation within a single colony confirms the importance of using qualitative characters alongside quantitative measures in defining Paleozoic bryozoan species. Etheridge...

... ). Such hypotheses have not received broad acceptance as yet, but deserve acknowledgement. The ingroup relationships of iguanians are also problematic. A clear understanding and/or consensus regarding the interrelationships of the major groups have been elusive. Cladistic analyses offered by Etheridge and de...

.... Kerry, Ireland. 2: Slievemore, Co. Sligo, Ireland. 3: Lisdowney, Co. Kilkenny, Ireland. 4: Malham, Yorkshire, England. 5: Grassington, Yorkshire, England. 6: Midland Valley, Scotland. Later, Etheridge (1876) described Astrocrinites ? benniei from the Lower Limestone Group of the Midland...

... ), corresponding to subdivision of all synrift and postrift basin systems to the present day ( Fig. 3 ; Australian Geological Survey Organisation [AGSO] North West Shelf Study Group, 1994 ). The rift was subsequently filled by a Triassic sag succession that is locally >4 km thick ( Etheridge and O'Brien, 1994...

... the essential constituents of the eastern Australian faunas and the general nature of the sedimentary sequences. Nevertheless the faunas were invariably ascribed by local stratigraphers to the Carboniferous System, or after 1879 when the term Permo-Carboniferous was introduced by Robert Etheridge Jr...

..., or lowest group of the Carboniferous formation in the southwest of Scotland . Quarterly Journal of the Geological Society , 33 , 863 – 879 , https://doi.org/10.1144/GSL.JGS.1877.033.01-04.49 Etheridge , R. 1879 . On the occurrence of the genus Dithyrocaris in the Lower Carboniferous...

... that form the source and reservoir horizons of rich hydrocarbon fields in the region (e.g. Australian Geological Survey Organisation (AGSO) North West Shelf Study Group 1994 ; Etheridge & O'Brien 1994 ). The few studies of Neogene tectonism have identified a paradox: the growth of abundant normal...

... reasons. Firstly, as will be detailed below, the brachiopod fauna of the Wasp Head Formation is characterized by a group of diagnostic species whose individual occurrence appears to have particular importance in defining the marine Carboniferous–Permian boundary in eastern Australia. Secondly, the Wasp...

...Joseph H. Collette; Roy E. Plotnick Abstract Gonatocaris decora (Clarke, 1901) is an unusual, highly ornamented Silurian phyllocarid from the Pittsford Shale Member of the Vernon Formation, Salina Group of New York, that has been allied with Emmelezoe in the past due to the possession of an ‘optic...

... of Natural History, ser. 5 , v. 9 , p. 213 – 252 . Etheridge R. , and Carpenter P.H. , 1886 , Catalogue of the Blastoidea in the Geological Department of the British Museum (Natural History), with an account of the morphology and systematic position of the group, and a revision...

...Stephen K. Donovan; Neil D.L. Clark Abstract Only two nominal species of crinoid, the diplobathrid camerates Diabolocrinus craigheadensis Ramsbottom and Diabolocrinus globularis (Nicholson and Etheridge), have been described from the Ordovician (Chatfieldian; Sandbian) Craighead Limestone Formation...

... latitudes of the Southern Hemisphere during Late Albian time (see Aguirre Urreta and Riccardi, 1988 ; Klinger, 1989 ). Some 19 endemic species of these genera are recorded from the Great Artesian Basin in the present literature ( Etheridge, 1892 ; Whitehouse, 1926 ; Reyment, 1964...

... of ranges, properly so called, but were a group of flat-topped hills, similar to those figured by Flinders, King and other navigators. Some were altogether detached from the main group, not more than two-thirds of a mile in length, with less than a third of that breadth, and an elevation between three...

... are proximal to Archean clasts (see text). EG—Archean zircon-bearing sources of the Etheridge group; HBRP—Hodgkinson–Broken River province; other abbreviations as in Figure 1 . ...

... to get into, has a mound of white stalagmite with a tracery-marked surface, meeting which, and hanging in the centre are two stalactites covered with translucent spikes curving in all directions. These singular stalactites are seen in some other caverns; also groups of long radiating crystals...