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  • 1
    Online Resource
    Online Resource
    Delaware Naturalist Handbook. (2020)
    New Brunswick :University of Delaware Press,
    Details
    Keywords: Electronic books.
    Description / Table of Contents: No detailed description available for "Delaware Naturalist Handbook".
    Type of Medium: Online Resource
    Pages: 1 online resource (346 pages)
    Edition: 1st ed.
    ISBN: 9781644532003
    Series Statement: Cultural Studies of Delaware and the Eastern Shore Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6621649
    Language: English
    Note: Intro -- Contents -- Acknowledgments -- Introduction. Becoming a Delaware Master Naturalist | McKay Jenkins -- Chapter One. Human Impact on the Land in Delaware: A History | McKay Jenkins -- Chapter Two. Geology | Tom McKenna -- Chapter Three. Watershed Ecology | Gerald McAdams Kauffman -- Chapter Four. Botany and Soil | Susan Barton and Jocelyn Wardrup -- Chapter Five. Field Sketching and Nature Photography | Jules Bruck, Susan Barton, and Jon Cox -- Chapter Six. Plant Identification and Taxonomy | Susan Barton and Anna Wik -- Chapter Seven. Insects: The Little Things That Run the World | Doug Tallamy -- Chapter Eight. Amphibians and Reptiles | Jim White and Amy White -- Chapter Nine. Birds | Ian Stewart -- Chapter Ten. Citizen Science and the Scientific Method | Tara Trammell -- Chapter Eleven. Weather and Climate Change | Jenn Volk -- Chapter Twelve. Invasive Species and Habitat Management | Doug Tallamy -- Chapter Thirteen. Environmental Justice | Victor W. Perez -- Conclusion. Sustainable Landscapes | Anna Wik and Susan Barton -- Contributors.
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  • 2
    Electronic Resource
    Electronic Resource
    The petrogenesis of leucogranitic dykes intruding the northern Semail ophiolite, United Arab Emirates: field relationships, geochemistry and Sr/Nd isotope systematics (1999)
    Springer
    Contributions to mineralogy and petrology 137 (1999), S. 267-287 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The Khawr Fakkan block of the Semail ophiolite (United Arab Emirates) exhibits a suite of 10–100 m scale metaluminous to peraluminous granitic intrusions, ranging from cordierite-andalusite-biotite monzogranites to garnet-tourmaline leucogranites, which intrude mantle sequence harzburgites and lower crustal sequence cumulate gabbros. Structural constraints suggest that the subduction of continental sedimentary material beneath the hot proto-ophiolite in an intra-oceanic arc environment led to granulite facies metamorphism at the subduction front and the generation of granitic melts which were emplaced up to the level of the ophiolite Moho. Compositions indicate the analysed granitoids were largely minimum melts that crystallised at variable a H2O and pressures of 3 to 5 kbar. The LILE (Sr, Rb and Ba) covariation modelling suggests that the granitoids formed largely by the dehydration melting of muscovite rich metasediments. Initial 87Sr/86Sr ratios of analysed dykes vary between 0.710 and 0.706 at initial ɛNd values of between −6.3 and −0.5. Cogenetic units of a composite sill from Ra's Dadnah yield a Sm-Nd isochron age of 98.8 ± 9.5 Ma (MSWD = 1.18). Geochemical and isotopic characteristics of the analysed granitic intrusions indicate that the subducted continental material was derived from oceanic trench fill (Haybi complex) sediments, preserved as greenschist (Asimah area) to granulite facies (Bani Hamid area) ophiolitic metamorphic sole terranes. The Sr-Nd isotope systematics suggest that hybrid granitic melts were derived from pre-magmatic mixing of two contrasting subduction zone sources.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004100050550
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