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  • Sarah Gordon | The University of New Brunswick - Academia.edu
    and Earth Sciences edit About edit Advisors edit Edit Done Editing Papers Reorder Add Paper author rank by 30 day views total views followers Join Sarah and 36 757 319 other researchers on Academia edu Connect with Facebook not now Close Log In Log In with Facebook Log In with Google or Email Password Remember me on this computer or reset password Enter the email address you signed up with

    Original URL path: http://newbrunswick.academia.edu/SarahGordon (2016-04-30)
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  • Nadia Mohammadi | The University of New Brunswick - Academia.edu
    tons chromite is extracted per day more Gushk chromite mine is one of the largest and the most important chromite mines in Iran that is located in southwest of Kerman province 5 km north of Baft town In this open pit active mine about 60 tons chromite is extracted per day Studied chromitites are podiform type and form discontinuous layers or lenses surrounded by completely serpentinized dunites The chromites with average Cr2O3 62 8 and Cr 0 83 are classified as Cr rich chromitites or as the first grade type chromites in the world Cr and Mg values indicate that the studied chromitites have been crystallized from boninitic magmas probably in suprasubduction zone setting in a back arc basin environment It seems that the Baft chromitite ores initially have been formed in a primary ophiolitic complex within dunitic envelopes In the next stage due to serpentinization of the peridotites and ascending of the resulted serpentinite the studied deposits have been emplaced along the shear zones of the Baft ophiolitic melange en route to the surface More Info Coauthors Hamid Ahmadipour Shahid Bahonar University of Kerman Faculty of Sciences Department of Geology Kerman Iran Farahnaz Daliran Karlsruhe Institute of Technology KIT Institute for Applied Geosciences Kaiserst Karlsruhe Germany Publication Date 2011 Publication Name Iranian Journal of crystallography and mineralogy v 20 No 3 pp 469 478 Upload File View on sid ir Bookmark Edit Delete Move section Spinel as the most stable crystalogeraphic phases against serpentinaziation in peridotites of the Baft ophiolite mélange in Kerman province more by Nadia Mohammadi Baft coloured mélange with approximate area 617 km2 is located along Baft and Shahr e Babak major faults in south of Kerman province Field and microscopic studies on peridotites chromitites and related dunites in this area indicate more Baft coloured mélange with approximate area 617 km2 is located along Baft and Shahr e Babak major faults in south of Kerman province Field and microscopic studies on peridotites chromitites and related dunites in this area indicate that they are formed in mantle environment Because peridotites in this mélange have been deeply altered serpentinized primary minerals such as olivine and pyroxene have been changed into secondary minerals spinels are only resistant primary minerals against alteration in these rocks that has been survived in completely serpentinized rocks In this study chemical compositions of spinels unaltered cores have been used for the petrogenesis and tectonic setting of the studied peridotites and chromitites Based on evidences the studied lithologies can be divided into two groups The first group is peridotites include harzburgite dunite and lherzolite that belong to Alpian type peridotites and the harzburgites probably resulted from 15 20 percent partial melting of a fertile lhrzolitic mantle Second groups are chromitites for which a magmatic genesis could be assumed The studied chromitites are podiform and their parental magma is boninite The chromites with average Cr2O3 62 8 and Cr 0 83 are classified as Cr rich chromitites or as the first grade type chromites in the world Cr and Mg values indicate that the studied chromitites have been crystallized from boninite magmas probably in suprasubduction zone setting in a back arc environment More Info Coauthors Hamid Ahmadipour Sima Peighambari Publication Date 2011 Publication Name Iranian Journal of Environmental Geology v 14 No 14 pp 19 30 Upload File Bookmark Edit Delete Move section Conference Presentations Reorder Add Conference Presentation Petrogenesis and Evolution of Peraluminous Mount Douglas Leucogranites Southwestern New Brunswick Canada Extreme Fractionation Linked to Sn W Mo Polymetallic Mineralization more by Nadia Mohammadi The late Devonian Mount Douglas intrusive suite MD is an assemblage of peraluminous leucogranites located along the eastern part of the Saint George Batholith southwestern New Brunswick Canada This body forms an area about 30km 20 more The late Devonian Mount Douglas intrusive suite MD is an assemblage of peraluminous leucogranites located along the eastern part of the Saint George Batholith southwestern New Brunswick Canada This body forms an area about 30km 20 km and extends from Red Rock Lake to Mount Douglas In the MD suite magmatic systems have undergone extreme differentiation that produced three distinct phases including Dmd1 Dmd2 and Dmd3 and various endogranitic granophile element occurrences It seems that the three phases might originate from a single source that evolves with increasing fractionation from the early unit Dmd1 to the late unit Dmd3 Geochemical data show that significant mineral occurrences might be associated with the most highly differentiated phases therefore the most highly evolved unit Dmd3 and then Dmd2 might be considered for exploration of Sn W and Mo as well U and Pb deposits Location 14th Quadrennial International Association on the Genesis of Ore Deposits Symposium Kunming China Publisher Acta Geologica Sinica English Edition 88 supp 2 1518 1520 Upload File Bookmark Edit Delete Move section Spinel as the most stable crystalogeraphic phases against serpentinaziation in peridotites of the Baft ophiolite mélange in Kerman province more by Nadia Mohammadi Location 5th National Conference of Geology and Environment Islamic Azad University Islamshahr Branch Tehran More Info Selected as The Best Paper in the Conference and got award to publish in the Journal of Environmental Geology directly Event Date 2011 Upload File View on academia edu Bookmark Edit Delete Move section Investigation of texture and genesis of Serpentine group minerals in serpentinites of Chohar Gonbad Gugher Baft ophiolitic mélanges in Kerman province more by Nadia Mohammadi Detailed studies in ChoharGonbad Gugher Baft coloured mélange in Kerman province revealed that in this area ultramafic rocks have passed different degrees of serpentinization and Lizardite and Chrysotile have developed extensively There more Detailed studies in ChoharGonbad Gugher Baft coloured mélange in Kerman province revealed that in this area ultramafic rocks have passed different degrees of serpentinization and Lizardite and Chrysotile have developed extensively There are several recognizable stages from fresh to completely serpentinized rocks that from crystallization sequence point of view lizardite has been formed of first then long fibers of chrysotile and finally short chrysotile fibers have been crystallized During these stages

    Original URL path: http://newbrunswick.academia.edu/NadiaMohammadi (2016-04-30)
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  • Jared Hansen | The University of New Brunswick - Academia.edu
    on Reservoir Rocks of Potential Hydrocarbon edit About edit Advisors edit Edit Done Editing Papers Reorder Add Paper author rank by 30 day views total views followers Join Jared and 36 757 323 other researchers on Academia edu Connect with Facebook not now Close Log In Log In with Facebook Log In with Google or Email Password Remember me on this computer or reset password Enter the email address you

    Original URL path: http://newbrunswick.academia.edu/JaredHansen (2016-04-30)
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  • Lauren VanGenne | The University of New Brunswick - Academia.edu
    Petrology Tectonic Geomorphology and Large Igneous Provinces edit About edit Advisors edit Edit Done Editing Papers Reorder Add Paper author rank by 30 day views total views followers Join Lauren and 36 757 325 other researchers on Academia edu Connect with Facebook not now Close Log In Log In with Facebook Log In with Google or Email Password Remember me on this computer or reset password Enter the email address

    Original URL path: http://newbrunswick.academia.edu/LaurenVanGenne (2016-04-30)
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  • Dave Keighley | The University of New Brunswick - Academia.edu
    pdf Bookmark Edit Delete Move section Sequence Stratigraphy in Lacustrine Basins A Model for Part of the Green River Formation Eocene Southwest Uinta Basin Utah U S A more by Dave Keighley 59K in this window in a new window Figure 10 Highly generalized lithofacies associations for A carbonate parasequence set is overlain at most localities by a single coarsening upward clastic display a fining up of more 59K in this window in a new window Figure 10 Highly generalized lithofacies associations for A carbonate parasequence set is overlain at most localities by a single coarsening upward clastic display a fining up of clastic grain size with progressively fewer ostracode fossils Publication Date 2003 Publication Name Journal of Sedimentary Research Research Interests Geology Sequence Stratigraphy Boolean Satisfiability and Sedimentary Upload File Bookmark Edit Delete Move section Mudstone Clastiform Conglomerates and Trough Shaped Depressions from the Pennsylvanian Lower Port Hood Formation of Eastern Canada Occurrences Due to Soft Sediment Deformation more by Dave Keighley DAVE G KEIGHLEY AND RON K PICKERILL Department of Geology University of New Brunswick Fredericton New Brunswick E3B 5A3 Canada Present address Department of formed principally as a result of the operation of physical eg more DAVE G KEIGHLEY AND RON K PICKERILL Department of Geology University of New Brunswick Fredericton New Brunswick E3B 5A3 Canada Present address Department of formed principally as a result of the operation of physical eg hydrodynamic laws in contrast Publication Date 1998 Publication Name SEPM Journal of Sedimentary Research Research Interests Geology and Sedimentary Upload File Bookmark Edit Delete Move section Flute like marks and associated structures from the Carboniferous Port Hood Formation of Eastern Canada evidence of secondary origin in association with sediment intrusion discussion and reply more by Dave Keighley FLUTE LIKE MARKS l amp x27 ö ASSOCIATED STRUCTURES EASTERN CASADA 257 й 1 S amp x27 S 8 3 2 amp x27 тэ я CJ о а о я и м the surface of the underlying sandstone for at least 15 m The entire surface of this more FLUTE LIKE MARKS l amp x27 ö ASSOCIATED STRUCTURES EASTERN CASADA 257 й 1 S amp x27 S 8 3 2 amp x27 тэ я CJ о а о я и м the surface of the underlying sandstone for at least 15 m The entire surface of this sandstone is smooth and locally has a distinct rusty sheen probably Publication Date 1996 Publication Name Journal of Sedimentary Research Research Interests Geology and Sedimentary Upload File Bookmark Edit Delete Move section Spectral Gamma Ray XRD and Organic Geochemistry of an Offshore Lacustrine Succession Albert Formation Moncton Basin Southern New Brunswick more by Dave Keighley Publication Date 2007 Upload File View on cseg ca Bookmark Edit Delete Move section Small Cruziana rusophycus and related ichnotaxa from eastern Canada The nomenclatural debate and systematic ichnology more by Dave Keighley Canada the nomenclatural debate and systematic ichnology Dave G Keighley1 2 and Ron K Pickerill1 F Cruziana problematica from intertidal offshore deposits Beach Formation

    Original URL path: http://newbrunswick.academia.edu/DaveKeighley (2016-04-30)
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  • Dennis Sánchez Mora | The University of New Brunswick - Academia.edu
    petrology Geochronology Gold Mineralization and Stable Isotope Analysis edit About edit Advisors edit Edit Done Editing Papers Reorder Add Paper author rank by 30 day views total views followers Join Dennis and 36 757 330 other researchers on Academia edu Connect with Facebook not now Close Log In Log In with Facebook Log In with Google or Email Password Remember me on this computer or reset password Enter the email

    Original URL path: http://newbrunswick.academia.edu/DennisS%C3%A1nchezMora (2016-04-30)
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  • Yan Xiang | The University of New Brunswick - Academia.edu
    Editing Papers Reorder Add Paper Diffusive anisotropy in low permeability Ordovician sedimentary rocks more by Yan Xiang Research Interests Geology Download pdf Bookmark Edit Delete Move section author rank by 30 day views total views followers Join Yan and 36 757 331 other researchers on Academia edu Connect with Facebook not now Close Log In Log In with Facebook Log In with Google or Email Password Remember me on this

    Original URL path: http://newbrunswick.academia.edu/YanXiang (2016-04-30)
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  • The University of New Brunswick | Earth Sciences - Academia.edu
    alteration of cr spinel Bookmark by Nadia Mohammadi Lizardite chrysotile and antigorite 3serpentineof ChoharGonbad Gugher Baftcoloured mélange in Kerman province Lizardite chrysotile and antigorite form 3 polymorphs of serpentine group which are found in serpentinites of ChoharGonbad Gugher Baft coloured mélange and show different chemical compositions It seems that involved lizardite and more Lizardite chrysotile and antigorite form 3 polymorphs of serpentine group which are found in serpentinites of ChoharGonbad Gugher Baft coloured mélange and show different chemical compositions It seems that involved lizardite and chrysotile are the result of static alteration in an environment like ocean floor while interpenetrative blade antigorites have been produced in higher pressure and temperature and their formation is due to the result of dynamic evolution Antigorite formation can be related to subduction of Nain Baft oceanic crust or it can be related to subdaction of serpentinized pridotites in other times it is possible that lizardite and chrysotile formed before closing the Nain Baft small ocean According to mineral assemblages serpentinites may have been metamorphosed up to greenschist facies Bookmark by Nadia Mohammadi Emplacement of serpentinites in the Chohar Gonbad Gugher Baft ophiolitic mélange southeast Iran examination of the mineral chemical petrologic and structural features The Chohar Gonbad Gugher Baft ophiolite mélange located along the major Baft and Shahr e Babak fault zones southeast Iran represents remnants of Neo Tethyan oceanic lithosphere This mélange contains blocks of harzburgite dunite more The Chohar Gonbad Gugher Baft ophiolite mélange located along the major Baft and Shahr e Babak fault zones southeast Iran represents remnants of Neo Tethyan oceanic lithosphere This mélange contains blocks of harzburgite dunite lherzolite basalt and other ophiolite related lithologies tectonically mixed with and embedded in a serpentinite matrix Field petrographic and geochemical data show that peridotites in this mélange belong to the upper mantle They seem to have undergone up to 20 partial melting in a supra subduction zone setting based on their spinel Cr values 0 21 0 53 Chemical compositions and textures in the serpentinites indicate that they were partially hydrated during emplacement and further mobilized diapirically to the surface The different deformation stages occurred in an accretionary wedge environment Petrographic evidence shows that the first serpentinization event produced mesh textured serpentinites formed under static conditions in an ocean floor environment Nain Baft ocean crust where the initial lizardite bastite and chrysotile veins formed Plastic deformation occurred due to the subduction of Nain Baft oceanic lithospheric beneath the central Iranian microcontinent with antigorite bearing flare textured serpentinites produced During progressive exhumation of the Nain Baft ophiolite mélange the serpentinites were affected by ductile ductile brittle and brittle deformation respectively Accretion and resultant diapirism are the most important processes in the emplacement of serpentinite which is a consequence of hydration of the ocean crust In this example late stage emplacement via thrusting occurred along the northern extent of the southern Sanandaj Sirjan zone S SZ Bookmark by Nadia Mohammadi 6 Iran Serpentinites Ophiolite Ophiolite Melange Harzburgite Spinel as the most stable crystalogeraphic

    Original URL path: http://newbrunswick.academia.edu/Departments/Earth_Sciences/Documents?page=2 (2016-04-30)
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