... ; Helminthochiton grayiae Woodward, 1885 ; Helminthochiton papilio Whidborne, 1892 . Figure 1 — 1 – 9, Helminthochiton carpenteri n. sp.; 1 – 3 ; head plate, dorsal, ventral, and posterior views, MCZ 114121, ×2; 4 – 6, holotype, tail plate, dorsal, ventral, and left lateral views, MCZ 114122, ×2...

... the Knockaskibbole fault Brittle reactivation of shear zones to form pull-apart basin Ductile->semi-ductile deformation progressively localized into shear zones within plutons and wall rocks Major thrusting and pervasive fabric formation at mid-crustal levels FAIR HEAD-CLEW BAY LINE, IRELAND 131 a b Late, Devonian...

... that there may be an affinity between it and the anthracosaur vertebrae described from Jarrow (Baily, 1879 , 1884 ). If this is the case, the holotype of I. bradleyae would represent an immature form of an animal similar to the anthracosaur Pteroplax (Boyd, 1980 ). An assignment to the anthracosaurs...

...   1956 1957 Cululative Total through 12-31-57 Oil 214,262,000 215,463,764 7,581,404,438 Gas * (MCF) 649,800,000 596,171,028 15,673,735,499 * Does not include casing-head gas. 2 The Texas Company. The writer expresses appreciation to The Texas Company for permission...

... for deeper water limestones. ntroduct ion The rocks of the Larji (31 °44' : 77°1') Window, Lesser Himalaya, Himachal Pradesh, Northwest India, are considered to be of Lower Vindhyan (lower upper Proterozoic) age and correlated with the rocks of Shali Formation of Shali Window '(Srikantia and Bhargava, 1982...

... count of cervical vertebrae and a relatively small head, yet the limbs and limb girdles are plesiomorphic in proportion. The skull displays a mosaic of features, reminiscent of both Thalassiodracon and the rhomaleosaurids in some characters, yet similar to Plesiosaurus in others. The basicranium...

...Tamaki Sato; Xiao-chun Wu Abstract A partial skeleton of a plesiosaur (Reptilia: Sauropterygia) from the Hiccles Cove Formation (Middle Jurassic: Callovian) of Melville Island, Canadian Arctic Archipelago, is the first marine reptile fossil with well-preserved skull from the Canadian Arctic...

..., where most of the known specimens were recovered during the ninetieth and early twentieth centuries (e.g., Owen, 1838 , 1840 ; Carte and Baily, 1863 ; Dames, 1895 ; Fraas, 1910 ). Despite an increasing amount of redescriptions of Early Jurassic taxa during the last two decades (e.g., Bardet et al...

... massive magnetite-rich iron formation in the F 2 hinge, rich in coarse galena, pyrrhotite, and chalcopyrite, to sulfide-poor, magnetite-bearing schist and quartzite. The Garnet Quartzite is dominated by quartz and almandine garnet and mineralized with pyrite and chalcopyrite. Geochemical discriminant...

... techniques, allowing for rapid and cost-effective data collection ( Chandler 1999 ; Baily et al . 2003 ). Hence, the aerial photographic archive offers great potential for studying landslide evolution. The aim of this paper is to demonstrate the value of historical aerial photographs for landslide...

... by an unpublished correlation chart between England and Eastern North America, held in the Sowerby Archive ( Figure 2 ). Figure 2. Draft of Salter’s attempt to correlate the Palaeozoic formations occurring in Canada and Britain. Compare this with the Table published by Logan in Geology of Canada ( 1863...

... geology during the period 1750-1850, are intended as a contribution to outlines of proper answers to these questions. For my present purpose, “geology” is taken in the broad sense, to include problems identifiable under the headings, for example, of paleontology, mineralogy, and physical geography...

..., followed by examples. Then, Paleozoic occurrences are considered following the same format. Some taxonomic background is provided for the exemplars, as well as some background information for the sample specimens. Figure 1 — 1 , Ogmaster sp., Univ. Illinois unnumbered specimen, ventral surface...

... databases to produce a series of ‘time-slice’ maps illustrating the development of the Kaapvaal Craton. Linking geochronological data to GIS coverages provides a valuable visual perspective on the development of the southern African lithosphere. The oldest preserved rock formation dates occur south...

... coarse-grained sandstone T a division (by hammer head) rich in shell debris, Llyn Brianne dam access road [SN 793 483], Nant Brianne Formation. (c) Bouma turbidite sandstone–mudstone couplets; note basal, loaded-ripple T c division to left of hammer and planar-laminated T d divisions at base...

... Law Linn Formation and mostly from its lower part. Implications as to stratigraphical age are discussed. The fauna of the Wether Law Linn Formation has something of a Wenlock flavour. Repository abbreviations : BU, Lapworth Museum, University of Birmingham; BGS, British Geological Survey, Keyworth...

... publicity to attract leading geologists of the day. S. W. Baily (editor), 1981. The History of Geology and Geophysics at the University of Wisconsin, Madison, 1848-1980 . 174 p. Published by the Department of Geology and Geophysics, University of Wisconsin. For sale by the department, $5.00. Items...

... was attempted in an 1831 lithograph depicting the life of the Jura formation in a work by German naturalist Georg August Goldfuss (1782–1848) (discussed in Rudwick 1992 , pp. 52–54, see Figure 2 ). In both these innovative images, amongst the first attempts to depict prehuman ecosystems in a lifelike manner...

... area that the recent drilling program was focused. At Big Syncline, the base metal mineralisation is hosted in the Gams Member of the Hotson Formation. Locally at the A-GOD operations, the Gams Member is referred to as the Aggeneys Ore Formation, which comprises, from the base upwards, the Fly Schist...

... of the Besshi-type deposits suggests that they were probably formed during the early Paleozoic in a back-arc rift setting. They were then metamorphosed during Devonian times within the accretionary wedge in front of the Rudny Altai arc, synchronously with formation of the Kuroko-type deposits. R udny...