1 10 2 https://theses.otagogeology.org.nz/files/original/dd814af7c1072dde523d4df1f6e9ed9e.pdf 534f757d9a3974965a0872208bec9602 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 ((170.804792259000124 -43.093752638999945,170.812693708000097 -43.098637666999934,170.815295270000092 -43.100245790999963,170.787713868000083 -43.12539808799994,170.736502671000039 -43.16979622599996,170.704350083000122 -43.150371917999962,170.672709750000081 -43.131236563999948,170.649603402000025 -43.117249322999953,170.650862966000091 -43.116169698999954,170.691039041000067 -43.081705470999964,170.693068851000021 -43.079945320999968,170.697415656000089 -43.07621123399997,170.698295432000123 -43.076786109999944,170.712912034000055 -43.086334669999985,170.715806329000088 -43.08822485,170.725774328000057 -43.080142251999973,170.733859108000047 -43.073584414999971,170.736275657000078 -43.075084451999942,170.750541983000062 -43.083937532999983,170.767349142000057 -43.069806951999965,170.776707274000046 -43.075937108999938,170.786540286000104 -43.082376199999942,170.788961436000022 -43.083961338999984,170.804792259000124 -43.093752638999945)) Author last name Last name of the Author Green Project type Is it an MSc, PhD, BSc(Hons) or PGDipSci? BSc(Hons) Advisers Who supervised/advised this student Cooper, A.F. Reay, A. Abstract The Abstract for this thesis The geology of an area about the Waitaha River, Westland is studied. The A1 pine-Fraser Fault zone separates Greenland Group and Mt Bonar Granite to the west from Haast Schist to the east. Greenland Group west of the Fraser Fault is interlayered hornfels and schist reflecting original compositional bedding. It is intruded by granite and granodiorite of the Mt Bonar Granite. Haast Schist is dominated by quartzofeldspathic schist, but amphibolite, quartz schist and marble do occur. Three localities of Pounamu Ultramafics with poorly developed metasomatic zonation are described. Metamorphic grade increases monotonically from albite (biotite) zone to the east, to a K-feldspar bearing zone to the west. Zonation in quartzofeldspathic schist is consistently retarded with respect to interlayered amphibolite; the areal offset of equivalent mineral isograds is about lkm. Three Rangitatan episodes of folding and of recrystallisation of the schist are recognised, the ultimate metamorphic grade occurring during the latest episode. A progressive increase in the metamorphic grade, of incipiently developed retrogressive mineral assemblages toward the west is interpreted to result from thermal metamorphism associated with activity on the Alpine Fault. Structural deformation associated with fault activity has resulted in a lkm wide belt of fault rocks to the western margin of the Haast Schist zone. Strike slip motion on the Alpine Fault has produced conjugate kinks, joints and faults; uplift of the schist produces joints, faults, schist overthrusting westward, hydrothermal veining, and tilting of Quaternary gravels. Sandwiched between Haast Schist and lower Paleozoic rocks, the Fraser Group is a collage of fault bounded blocks: chiefly of fault rocks derived from various original litho1ogies to the east and west of the group, inc1uding pre-Tuhuan paragneiss and orthogneiss. The latest fault rock textures were impressed in the Plio-Pleistocene to the east, and earlier to the west, and are thought to have formed during relative movement of the blocks. Study of the microstructures of minerals and textures in the fault rocks indicates that (i) strain rate has consistently been greater to the east of fault planes than to the west, (ii) typical distributed shear stress during faulting was 60 MPa, (iii) shear deformation of individual minerals is complex, with several deformation mechanisms active in each phase simultaneously. Department The department where the student is studying primarily. Geology Named locality Named locality describing the field area location. Waitaha Valley Thesis description Number of pages, maps, CDs, etc. vii, 164 p, photos, map (folded in pocket), 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 1982Green Creator An entity primarily responsible for making the resource Green, DC Date A point or period of time associated with an event in the lifecycle of the resource 1982 Title A name given to the resource The Alpine Fault Zone of the Waitaha Valley Area. Subject The topic of the resource Map Metamorphic geology Structural geology Tectonics microstructures Pounamu Ultramafics retrograde metamorphism https://theses.otagogeology.org.nz/files/original/ac43a0c6363695e26fc692867aa9acc0.pdf a0c130ae32b5d4cf8cfe4737e79bd7a7 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 ((170.36594673500008 -45.616639051999982,170.352368813000112 -45.616360025999938,170.208429513000056 -45.613312699999938,170.20884602700005 -45.602641006999932,170.208853985000019 -45.602407127999982,170.210501595000096 -45.560282209999968,170.211186941000051 -45.542747603999942,170.211281533000033 -45.540359609999939,170.249009269000112 -45.541326722999941,170.257128221000016 -45.541532823999944,170.278577376000044 -45.542076501999929,170.400311653000017 -45.545084479999957,170.397636511000087 -45.617282555999964,170.36594673500008 -45.616639051999982)) Author last name Last name of the Author Brown Project type Is it an MSc, PhD, BSc(Hons) or PGDipSci? MSc Advisers Who supervised/advised this student Coombs, D.S. Means.W.D. Abstract The Abstract for this thesis The area mapped lies south-east of Middlemarch, Eastern Otago. It is underlain mostly by schist but also includes several small Tertiary outliers of basanitic volcanics resting on a thin formation of quartz sands and conglomerates. The lithology, mineralogy and structure of the schist are reported. From these studies the following conclusions are made: (1) bedding in a wide range of thicknesses is recognizable in the schist, (2) the area lies within a biotite and possibly garnet zone of metamorphism, (3) retrogressive metamorphism occurred and appears to have been accompanied by a deformational phase, (4) there were at least two phases of deformation during the metamorphic period - the first may have produced large-scale recumbent folds. A section on the post-metamorphic geology includes a study of the sedimentary and volcanic formations, post-metamorphic structures, and geomorphology. A post-metamorphic history is given and compared with the regional geology. It appears that the area was stable throughout the lower and middle Tertiary. Department The department where the student is studying primarily. Geology Named locality Named locality describing the field area location. Mt Stoker Thesis description Number of pages, maps, CDs, etc. xii., 121 p., Map folded in pocket., photoes and illus., 27cm. 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 1963Brown Creator An entity primarily responsible for making the resource Brown, Edwin H. Date A point or period of time associated with an event in the lifecycle of the resource 1963 Title A name given to the resource The geology of the Mt. Stoker area Subject The topic of the resource Map Igneous petrology Metamorphic geology Sedimentology Structural geology biotite-?garnet zone retrograde metamorphism