 | | Journal (article/letter/editorial) | | The Origin of New Zealand Ultramafic Intrusions by GWYNETH A. CHALLLIS New Zealand Geological Survey...South Island of New Zealand, and include the large masses of Dun Mountain near Nelson, Red Hills in the...the Wairau Valley, and Red Mountain in north-western Otago. Other, relatively small and almost completely...relatively unserpentinized ultramafic intrusions at Dun Mountain and Red Hills. A smaller isolated mass occurs...Manchester on June 2, 2015 ABSTRACT Dun Mountain, Red Hills, and Red Mountain, are three of the largest ultramafic |  | | Journal (article/letter/editorial) | | AND~AGNrSIANROCKSOF NEW ZrALANDo 351 19. The NErnRITE a~d MAGNESIANROCKS Of the SouTrt ISLANV of NEW ZEALAND. By ALEXANDER...work on the olivine-rock of the Dun Mountain, and on the New Zealand nephri~e or ' greenstone,' the rocks...the ' magnesian belt ' of the South Island of' New Zealand have had an absorbing interest for students of...and a discussion of the nature and origin of New Zealand nephrite. Those analyses which are not attributed...south-westerly direction for some miles past the town of Nelson. Serpentines have also been observed in the Buller |  | | Journal (article/letter/editorial) | | Wairau ValleyâNew Zealand by G. A. CHALLIS N.Z. Geological Survey, Lower Hutt, New Zealand High-temperature...Blenheim in the north-east of the South Island of New Zealand (see Challis, 1965, fig. 1). It is at the southern...includes the well-known ultramafic intrusion of Dun Mountain. A detailed survey was made of about 8 square...intrusion and as it occurs in the same lens as Dun Mountain, it has always been considered as such (Hess...Permian), similar to those on the western margin of Dun Mountain (Lauder, 1965). The zone of serpentinization |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J...Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey...Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has been |  | Tarling, Matthew S., Smith, Steven A. F., Scott, James M., Rooney, Jeremy S., Viti, Cecilia, Gordon, Keith C. (2019) The internal structure and composition of a plate-boundary-scale serpentinite shear zone: the Livingstone Fault, New Zealand. Solid Earth, 10 (4). 1025-1047 doi:10.5194/se-10-1025-2019 | Journal (article/letter/editorial) | | serpentinite shear zone: the Livingstone Fault, New Zealand Matthew S. Tarling1 , Steven A. F. Smith1 , James...Dunedin, New Zealand of Chemistry, University of Otago, Union Place West, 9016 Dunedin, New Zealand 3 Dipartimento...tectonic settings. The Livingstone Fault in New Zealand is a terrane-bounding structure that separates...serpentinised peridotite; metagabbros) of the Dun Mountain Ophiolite Belt from the quartzofeldspathic schists...the southern segment of the Alpine Fault in New Zealand (Barth et al., 2013). Additionally, serpentinitedominated |  | Scott, James M., Smith, Steven A.F., Tarling, Matthew S., le Roux, Petrus J., Harris, Chris, Hoffmann, J. Elis, Scherzer, Sophie, Tulley, Chris J. (2019) Element and SrâO isotope redistribution across a plate boundary-scale crustal serpentinite mĂŠlange shear zone, and implications for the slab-mantle interface. Earth and Planetary Science Letters, 522. 198-209 doi:10.1016/j.epsl.2019.06.034 | Journal (article/letter/editorial) | | Geology, University of Otago, Dunedin 9054, New Zealand Department of Geological Sciences, University...interface. For âź55 km in the Southern Alps of New Zealand, a 10 to 100s m wide blockin-matrix serpentinite...Fault â separates the harzburgitic base of the Dun Mountain Ophiolite Belt from arc-derived metasedimentary...Satellite gravity map of New Zealand showing the extent of distribution of the Dun Mountain Ophiolite Belt. B...geological map showing the distribution of the Dun Mountain Ophiolite Belt, Livingstone Fault and Caples/Aspiring |  | | Journal (article/letter/editorial) | | succession: 9 77 SERPENTINITE TEXTURES, NORTH WALES New H a r b o u r G r o u p : various metasedimentary...Iherzolite. 'mesh' serpentine (b sbastite) (b=bastite; cpx = clinopyroxene; t r = tremolite) Structural...serpentine with incipient ribbon texture (b = bastite) Figure 1. Sketches of the microscopic appearance...texture is therefore of the fensterstruktur type. Bastite in the mesh-texture serpentinites is of two types...specimen, and fractures within magnetite grains and bastite areas usually have the same orientation as the |  | | Journal (article/letter/editorial) | | S0-mile interval of the Great SerpentineBelt of New South \Vales,as describedby Benson (1913-1918).These...serpentinized,periodotitemassesin New Caledonia.The ten selectedNew Zealand samples are part of a larger study...petrologicrelationshipsin the Great Ultramafic Belt of New Zealand. Eighty of the samples were collected at numerouslocalitiesin...alteration to serpentine.In three of the samples(Dun Mtn., Twin Sisters,and Burro Mtn.) more than 40 volume...consists of olivine and, in the case of the Burro Mountain sample, minor pyroxene. On the basis of any rock |  | | Journal (article/letter/editorial) | | serpentine is usually observed, with the formation of bastite pseudomorphs. This had led investigators to believe...(1965), in describing the ultrabasic rocks of New Zealand, recorded the formation of talc pseudomorphs...temperature and work lizardite, replacing olivine, when bastite pressure, and also the kinetics of reactions, pseudomorphs...manifestation have been recognized: lizardite (bastite), talc, of the Alpine-type association. In the...basement, and this means, corresponding to the Bastite, as a rule, consists of lizardite. deep-seated |  | | Journal (article/letter/editorial) | | QUATERNARY DEBRIS FLOWS, NORTHERN SOUTHLAND, NEW ZEALAND D. CRAW, C. A. LANDIS, AND P. I. KELsEy...Department, University of Otago p.a. Box 56, Dunedin, New Zealand Abstract-Quaternary debris flows derived from...from ophiolite melange in northern Southland, New Zealand, are locally cemented and veined by cross-fiber...veining Quaternary debris flows in Southland, New Zealand. GENERAL GEOLOGY In western Southland deeply...been cut into mafic and ultramafic rocks ofthe Dun Mountain ophiolite belt and the overlying late Paleozoic |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, ⢠terrace...Figure 1. Simplified geological sketch-map of New Zealand. 0 20 40 60 80 100 KM l INTRODUCTION It...Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ. Geological Survey bulletin |  | | Journal (article/letter/editorial) | | 4 o Xonotlite and rodingites from Wairere, New Zealand J. P. O ' B R I E N and K. A. R O D G E R S Department...Department of Geology, University of Auckland, New Zealand SUMMARY. Xenoliths of eucritic gabbros in an...'grossularite-diallage' phases associated with the Dun Mountain massif. His definition was based upon the rock...locality in the upper reaches of the Roding River, Nelson. Lauder (I965, p. 485) redefined rodingite to include...o f the serpentinite, have been destroyed, but bastite pseudomorphs are still recognizable. A half-millimetre |  | | Book (edition) | | Agate (Clent Hills). Topaz (Pegasus Bay). NEW ZEALAND MINERALS and GEMS by W. M. CAMPBELL, M.A.,...upon these sculptured features of a planet's face ? New Zealand's grainfields, whence come our daily bread...amethyst, opal, carnelian and cinnabar are but a few of New Zealandâs precious pebbles. If of an even content...Upheaved above wide ocean from deep undercrust. New Zealand is a contorted, broken land of varied mineral...titanium, âthe metal of the futureâ with which New Zealand could supply all Europeâ why, if this land ever |  | | Journal (article/letter/editorial) | | conclusions may be drawn: (1) The upper mantle in this region consists principally of depleted lherzolite with...knowledge concerning the nature o f the source region o f ocean ridge basalts (MORB) is derived indirectly...Includes serpentine after olivine. ** Includes minor bastite after orthopyroxene. *** Includes calcite and unidentified...totally replaced inwards from the grain margins by bastite. Calcic clinopyroxene in lherzolites is similar...(Papua [18]; Burrow Mt. [15]; Red Mt. [19]; Red Hill, Dun Mt., Red Mt. [l 7]), high-temperature peridotite |  | | Journal (article/letter/editorial) | | June 2, 2016 ON THE NICKEL-IRON ALLOI" AWARUITE OF NEW ZEAL~kND. 619 38. On the Discow.RY, Mol)E oF OCCURRENCE...AWAI~uITE, on the WEST COAST of the SouTlt ISLAND of NEW ZEXLKNI). By Professor G. H. F. ULRICH, F.G.S. (Read...Government Analyst, read a paper before the New Zealand Philosophical Society, Wellington, announcing...of a Nickel-Iron Alloy, which he recognized as a new mineral species and named "Awaruite." The discovery...West Coast of the South Island. Mr. Skey found the new mineral as small grains or scales in a sample of |  | Wang, YuâWang, Xie, Hongjing, Guo, Boran, Shi, Yu, Zhou, Guochao (2020) Genesis of pale microgranular masses in ophiolitic chromite deposits in northern Xinjiang: Analysis of the microâarea composition of altered minerals using LAâICPâMS. Geological Journal, 55 (3) 2185-2207 doi:10.1002/gj.3748 | Journal (article/letter/editorial) | | peridotites in many ophiolite-bearing areas of New Zealand and northern Xinjiang, an important part of...& Rodingite, which was first discovered in New Zealand, is a type of Dobrestov, 2004; Li et al., 2012;...06, of metasomatite-containing PMM relict is bastite-like or plain (La/Yb)N = 1.58â2.26), and a clearly...porphyritic like and mainly the least, consists of the new oceanic crust and oceanic basin expan- composed...(1911). The geology of the Dun Mountain Subdivision, Nelson. New Zealand Geological Survey Bulletin, |  | | Journal (article/letter/editorial) | | inclusions. Se domains characteristically compose the "bastite" in habit. pentinized rocks shows that not only...solutions metamorphosed Zealand. Contrib. 229-246. Beeson, from p. J. G. New 63, Amer. B. F., regionally...Geol. Kawachi, and S. Petrologic Heidelberg-New Pringle, Duffield, U. serpentinites. D. S.,...Metasomatism in the Wairere Serpentinite, King Country, New Zealand. Mineral. Mag., 42, 45-62. Makimoto, H. (1978)...(1911), The geology of the Dun Mountain subdivision, Nelson. New Zealand Geol. Surv. Bull., 12, 1-71 |  | Mubarak, Heba S., Azer, Mokhles K., Surour, Adel A., Moussa, Hilmy E., Asimow, Paul D., Kabesh, Mona M.L. (2020) Mineralogical and geochemical study of rodingites and associated serpentinized peridotite, Eastern Desert of Egypt, Arabian-Nubian Shield. Lithos, 374. 105720pp. doi:10.1016/j.lithos.2020.105720 | Journal (article/letter/editorial) | | calcium-rich rocks ur hosted by serpentinites in the Dun Mountain ultramafic complex. In general, rodingite is...chips of the fused-glass beads are dissolved in new 50 mL polypropylene tubes by refluxing in 2 mL of...to determine their protoliths. The abundance of bastite after orthopyroxene (Fig. 4a) and mesh texture...diagram, the fresh chromian spinel relics plot in the region of fore-arc peridotite (Fig. 11a), at estimated...1911. The geology of the Dun Mountain subdivision, Nelson. ur New Zealand Geological Survey Bulletin |  | | Journal (article/letter/editorial) | | 1964;Green,1964;Hostetler et al., 1966) have given new impetus to the theory, also held by some Russians...The very low normative pyroxene in the Mayaguez dun i t e si s a t t r i b u t a b l ep a r t l y a t...of some large ultramafic masses.In the Canyon Mountain Complex (Thayer, 1963)the peridotite, as distinct...are essentiallythe same as those in the Canyon Mountain Complex; despite 60-99 per cent serpentinization...identification as a distinct kind of rock by Marshall in New Zealand (Bell and others, 1911,p. 31), rodingite and |  | | Report (volume) | | deposit nor any other rodingite between Alabama and New Je1¡sey seems to have been described previously,...serpentinites on the regional map of ultramafites from New Jersey to Alabama by Larrabee (1966a). After a visit...common on other serpentinites in the Appalachian region. Marshall (in Bell and others, 1911, p. 30) observed...reas of ultramafic rocks ra nd :vodingite in New Zealand. Exposures of bedrock are few and far between...Piedmont of the east-central part of the Appalachian region (Larrabee, 1966a). The pluton is near the southwestern |  | | Journal (article/letter/editorial) | | approximately two miles south of Girvan, Ayrshire, in a region consisting mainly of Lower Ordovician volcanics...of the rocks, together with the presentation of a new map of the complex. N BENAN CONGLOMERATE TRONDHJEMITE...(Table I, 4 and 5). The continued development of new plagoiclase and hornblende progressively overprints...overprints the earlier gabbroidal texture and a new, more equigranular texture develops which is evident macroscopically...and distinguishes a unit which can be mapped. The new feldspar tends to develop simple twins, multiple |  | | Journal (article/letter/editorial) | | that they do, a considerable portion of great mountain-masses, which cover considerable areas. Downloaded...of Rum, cover vast areas and form the bulk of mountain-masses thousands of feet in height. It is noteworthy...(1879) p. 253. IV. Felspar from the Carlingford Mountain, Coanty Down: by Dr. Haughton. Phil. Mag. ser...present n o trace whatever of lamellar twinning. Much new light has been thrown by recent researches on the...But certain recent investigations have thrown a new and unexpected light on this most interesting question |  | | Book | | 411 ⢠New Hebrides NewCaled~ ⢠⢠Norfolk I. Lord Howe I. ⢠SOUTH PACIFIC OCEAN SEA NEW ZEALAND...BASIN I , .. The Geological Structure of New Zealand a volume in the REGIONAL GEOLOGY SERIES edited...the Oligocene, Landon Limestone Photograph: New Zealand National Publicity Studio photo J'ublished...STRUCTURE OF NEW ZEALAND J . T. Kingma I , ⢠THE GEOLOGICAL STRUCTURE OF NEW ZEALAND JACOBUS T. KINGMA...Wiley-lnterscience Publication JOHN WILEY & SONS New York⢠London⢠Sydney⢠Toronto I \ ⢠' Copyright |  | Frost, B. Ronald, Evans, Katy A., Swapp, Susan M., Beard, James S., Mothersole, Fiona E. (2013) The process of serpentinization in dunite from New Caledonia. Lithos, 178. 24-39 doi:10.1016/j.lithos.2013.02.002 | Journal (article/letter/editorial) | | The process of serpentinization in dunite from New Caledonia B. Ronald Frost a,â, Katy A. Evans b,ââ...4 February 2013 Available online xxxx Keywords: New Caledonia ophiolite Serpentinization Brucite Magnetite...Oxygen fugacity Hydrogen a b s t r a c t Dunite from New Caledonia displays three types of serpentine-dominated... The process of serpentinization in dunite from New Caledonia, Lithos (2013), http://dx.doi.org/10.1016/...detailed study of serpentine veins in dunite from New Caledonia. Results are used to constrain the reactions |  | | Report (issue) | | bounded by the Melones fault on the east. Three new chemical analyses together with thirteen analyses...extends 13 km to the north, east of Saddleback Mountain, where 30 cm FIGURE 2. Intense folding in quartz-rich...Chevron folds in quartzite east of Saddleback Mountain. South-facing wall. it consists mainly of highly...southsouthwest of La Porte RetÂŤe Ravine East of Goat Mountain Weight percent SiO2 .................. TiO2...southsouthwest of La Porte Reese Ravine East of Goat Mountain meta-andesite in metatuff Locality... ..... |
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