1 10 1 https://theses.otagogeology.org.nz/files/original/588a044dab29332ee0945afdf472c8e5.pdf 8d776a389bd118c628e2123d421f40f9 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Geology theses OU Geology thesis Thesis or dissertation completed by University of Otago Geology students Location WKT (WGS84) The location stored in WKT (WGS84) format POLYGON ((170.364069911000115 -44.67238815199994,170.35812077200012 -44.684557541999936,170.345738195000081 -44.674997219999966,170.358323602000041 -44.669381125999962,170.360409079000078 -44.668451459999972,170.364680724000095 -44.671136890999946,170.364069911000115 -44.67238815199994)) Author last name Last name of the Author McDermid Project type Is it an MSc, PhD, BSc(Hons) or PGDipSci? BSc(Hons) Advisers Who supervised/advised this student Fordyce, R.E. Abstract The Abstract for this thesis Oligocene and Neogene strata at Wharekuri Creek, Waitaki Valley, North Otago record a transgressive-regressive marine sequence, lacustrine and braided river deposits. Marine strata include three calcareous, glauconitic, fossiliferous marine units: Wharekuri Greensand (Lower Whaingaroan); Kokoamu Greensand/Kekenodon Beds (Upper WhaingaroanDuntroonian); and Otekaike Limestone (Duntroonian-?Waitakian). The Kokoamu Greensand is separated from Wharekuri Greensand by a bored surface, Fordyce and Watson (1998) interpreted this as the mid-Oligocene unconformity, which Fulthorpe et al. (1996) correlated with a global eustatic sea level fall. The Wharekuri Creek marine rocks contain members of the stratigraphically important pectinid bivalve lineage Janupecten-Lentipecten. Here,Janupecten show progressive reduction in sculpture leading to evolution of smooth-shelled Lentipecten. The evolution to smooth valves indicates enhanced level-swimming ability. Deposition of the coarsening upward Southburn Sand {Early? Miocene), following the Otekaike Limestone, represents a transition to a near shore environment. The Waitangi Coal Measures (Middle?-Late? Miocene), which may overlie the Southburn Sand unconformably, are tentatively placed within the Manuherikia Group of Central Otago, because they also represent a deltaiclacustrine succession of peat, laminated muds, clays, and sands. Following accumulation of the coal measures at Wharekuri Creek, the Kurow Gravels were deposited as longitudinal bars in a braided river system. The name Kurow Group is not used here, because the name Kurow Gravels takes priority. Late Cenozoic faulting, presumably associated with development of the Southern Alps, has deformed the sedimentary sequence at Wharekuri Creek. The Kokoamu Greensand is juxtaposed against the Southburn Sand by the Waitangi Fault and the Southburn Sand is faulted against the Waitangi Coal Measures. The Wharekuri Fault has uplifted semi-schist basement of the Haast Schist Group against the Waitangi Coal Measures and the Kurow Gravels. Gravels and angular debris from the St Marys Range cover much of the area so that it is not possible to see crosscutting relationships which may indicate the sequence of faulting. Department The department where the student is studying primarily. Geology Named locality Named locality describing the field area location. Wharekuri Creek Thesis description Number of pages, maps, CDs, etc. 131 p. : ill. (some col., one folded), maps ; 30 cm. Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Identifier An unambiguous reference to the resource within a given context 1998McDermid Creator An entity primarily responsible for making the resource McDermid, Isabella (Isabella Rose Cross), 1975- Date A point or period of time associated with an event in the lifecycle of the resource 1998 Title A name given to the resource Geology of Wharekuri Creek Subject The topic of the resource Lithostratigraphy Duntroonian Kokoamu Greensand Manuherikia Group Otago Otekaike Limestone Waitakian Whaingaroan Wharekuri Greensand