1 10 1 https://theses.otagogeology.org.nz/files/original/2cc3ba15ce67aaa613eb3ec6a500e932.pdf f2c3341f404173994a92b271e4e9be97 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 ((167.442498185467628 -45.467839473745322,167.551997293963865 -45.473130760034692,167.545961569657749 -45.535481906916466,167.436028865323379 -45.529925660485375,167.442498185467628 -45.467839473745322)) Author last name Last name of the Author Staite Project type Is it an MSc, PhD, BSc(Hons) or PGDipSci? BSc(Hons) Advisers Who supervised/advised this student Cooper, A.F. Abstract The Abstract for this thesis The Eastern Manapouri Province of Turner (1937a) consists of at least two identifiable generations of plutonism; a 303±4.8 Ma granite, and a 160-155 Ma suite of gabbroic to granitic composition. These can be divided into three main groups: (1) The Pohuruhuru Granite (new name), anI-type Carboniferous granite probably representing local basement to the MTZ. (2) The Holmwood Island Gneisses and the Beehive Epidiorite, ea. 160 Ma gabbros and diorites metamorphosed to amphibolite fades conditions in an event correlated with the metamorphism of the Fraser Complex of Westland. Some of these rocks are magnetic, and are regarded as the cause of the Manapouri magnetic anomaly. (3) The Matarua Quartz Monzonite (new name), the Western Orthogneiss and the Pomona Island Granite, a suite of I-type granitic rocks intruded syn- and post-metamorphically. The 155±2 Ma Pomona ~land Granite emplacement represents the final event in this sequence. Most lithologies occur as xenoliths from metre to kilometre scale within later rock types. Holmwood Island Gneiss and Beehive Epidiorite in particular occur as 'sheets' within later granites. A vertica~possibly active oblique slip fault scarp with a 100 m cataclasite zone, previously interpreted as the western boundary of the Eastern Fiordland Belt (Smith, 1993) is present, but regionally insignificant displacement suggests that it is not an important geological boundary. Geochemical analysis shows a prevailing alkali-calcic continental island arc trend for these rocks, and linear trends on Harker discrimination diagrams demonstrate a common tectonic environment for all lithologies . • All units (except the Pohuruhuru Granite) formed in the same intrusive event, between 160 and 155 Ma. Formation was at depth (at least 22 km) with successive intrusions into the base of an island arc, with each intrusive rock type picking up xenoliths of earlier rocks. Department The department where the student is studying primarily. Geology Named locality Named locality describing the field area location. Lake Manapouri Thesis description Number of pages, maps, CDs, etc. 77 leaves : ill. (some col.), maps (some col.) ; 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 1995Staite Creator An entity primarily responsible for making the resource Staite, Christopher Gilbert, 1974- Date A point or period of time associated with an event in the lifecycle of the resource 1995 Title A name given to the resource Geology of the eastern Manapouri province Subject The topic of the resource Igneous petrology Metamorphic petrology Beehive Pomona Island Rona Island