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  • 1
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    Component parts of the World Heat Flow Data Collection
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Keywords: Conductivity, average; Depth, bottom/max; Depth, top/min; ELEVATION; Heat flow; Heat production, average; LATITUDE; LONGITUDE; Number; Number of conductivity measurements; Number of heat production measurements; Number of temperature data; Sample, optional label/labor no; Temperature gradient
    Type: Dataset
    Format: text/tab-separated-values, 11 data points
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  • 2
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    Major and trace element abundances of igneous rocks from DSDP Site 37-334 (1978)
    PANGAEA
    In:  Supplement to: Dostal, J; Muecke, G K (1978): Trace element geochemistry of the peridotite-gabbro-basalt suite from DSDP Leg 37. Earth and Planetary Science Letters, 40(3), 415-422, https://doi.org/10.1016/0012-821X(78)90164-4
    Details
    Publication Date: 2024-05-15
    Description: REE abundances in gabbros and peridotites from Site 334 of DSDP Leg 37 show that these rocks are cumulates produced by fractional crystallization of a primitive oceanic tholeiite magma. They may be part of a layered oceanic complex. The REE distributions in the residual liquids left after such a fractionation are similar to those of incompatible element-depleted oceanic tholeiites. The REE data indicate that the basalts which overlie the gabbro-peridotite complex, are not genetically related to plutonic rocks.
    Keywords: 37-334; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Glomar Challenger; Leg37; North Atlantic/BASIN
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 3
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    (Table 1) Trace element abundances of igneous rocks from DSDP Site 37-334 (1978)
    PANGAEA
    Details
    Publication Date: 2024-05-15
    Keywords: 37-334; Cerium; Chromium; Cobalt; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Element analysis, neutron activation (NAA); Europium; Gadolinium; Glomar Challenger; Hafnium; Lanthanum; Leg37; Lutetium; Neodymium; North Atlantic/BASIN; Rock type; Samarium; Sample code/label; Scandium; Terbium; Thorium; Ytterbium
    Type: Dataset
    Format: text/tab-separated-values, 155 data points
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  • 4
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    (Table 2) Major element composition of igneous rocks from DSDP Site 37-334 (1978)
    PANGAEA
    Details
    Publication Date: 2024-05-15
    Keywords: 37-334; Aluminium oxide; Calcium oxide; Calculated; Carbon dioxide; Deep Sea Drilling Project; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Glomar Challenger; Iron oxide, FeO; Leg37; Magnesium oxide; Manganese oxide; North Atlantic/BASIN; Phosphorus pentoxide; Potassium oxide; Rock type; Sample code/label; Silicon dioxide; Sodium oxide; Sum; Titanium dioxide; Water in rock
    Type: Dataset
    Format: text/tab-separated-values, 188 data points
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  • 5
    Electronic Resource
    Electronic Resource
    Deep drilling in an active geothermal area in the Azores (1974)
    [s.l.] : Nature Publishing Group
    Nature 252 (1974), S. 281-285 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A deep borehole on São Miguel encountered temperatures exceeding 200° C at a depth of 550 m. Subaerial volcanics persist to a depth of 786 m below sea level and indicate an average subsidence of 0.1 cm yr−1 for the island over the past 690,000 ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/252281a0
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Rare earth element distributions among coexisting granulite facies minerals, Scourian complex, NW Scotland (1981)
    Springer
    Contributions to mineralogy and petrology 76 (1981), S. 463-471 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The major rock-forming mineral phases (pyroxenes, plagioclase, garnet, hornblende) of a suite of granulite-facies gneisses from the Scourian complex, NW Scotland, have been analyzed for their rare earth element (REE) content. Although host rock compositions range from felsic to ultramafic, REE abundances and patterns for each mineral group show only limited variation. The REEs exhibit regular and consistent distribution patterns for each mineral which suggest, together with major element and textural considerations, that the observed distribution coefficients approach equilibrium. Total REE content follows the sequence hornblende〉clinopyroxene〉garnet〉plagioclase 〉orthopyroxene and mass balance calculations show that even in the felsic gneisses〉60% of the REEs reside in the major rock-forming minerals. Comparisons of both relative REE abundances and distribution coefficients with those in other rock types reveal a striking resemblance with patterns observed in mineral-liquid pairs of dacitic rocks. These similarities may have arisen during a partial melting episode in which granite-granodiorite melts were generated and removed from the Scourian complex; leaving a residuum which is severely depleted in the incompatible elements, including the REEs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00371488
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  • 7
    Electronic Resource
    Electronic Resource
    Magmatic andalusite from the South Mountain batholith, Nova Scotia (1976)
    Springer
    Contributions to mineralogy and petrology 56 (1976), S. 279-287 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Accessory andalusite has been found in some late-stage granitic differentiates of the South Mountain batholith. The andalusite is petrographically distinct from the andalusite of the thermal aureole, and it occurs in regions of the batholith which show little evidence of contamination by the country rocks. Analyses of biotites from andalusite-bearing and andalusite-free phases suggest that those coexisting with andalusite actually grew in equilibrium with the andalusite. It is concluded that magmatic andalusite must be confined mainly to water-saturated, peraluminous, epizonal granites, and some possible P-T paths for the crystallization of magmatic andalusite are considered.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00466826
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  • 8
    Electronic Resource
    Electronic Resource
    Geochemistry and origin of granitic rocks, Scourian Complex, NW Scotland (1982)
    Springer
    Contributions to mineralogy and petrology 80 (1982), S. 379-385 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Concordant granite sheets from the granulite facies Scourian Complex, N.W. Scotland exhibit the following features: 1) a common planar fabric with their host pyroxene granulites; 2) the presence of an exsolved ternary feldspar phase; 3) a low-pressure, water-saturated minimum composition; 4) K/Rb ratios (450–1,350) distinctly higher than most upper crustal granites but similar to the surrounding granulites; 5) low absolute concentrations of the rare earth elements (REEs), light REE enrichment, and large positive Eu anomalies. It is proposed that the granite sheets have originated by anatexis of gneisses undergoing granulite facies metamorphism — gneisses that were already essentially dry and depleted in incompatible elements. Their unusual trace element chemistry may be explained by either disequilibrium melting and/or sub-solidus reequilibration of the granite sheets with the surrounding gneisses. Isotopic and trace element data suggest that cross-cutting, potash-rich pegmatites represent reworking of the granite sheets during a later amphibolitization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00378010
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  • 9
    Electronic Resource
    Electronic Resource
    Rare earth element geochemistry of the Scourian complex N.W. Scotland — Evidence for the granite-granulite link (1980)
    Springer
    Contributions to mineralogy and petrology 73 (1980), S. 403-412 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Medium-to high-pressure granulite facies complexes represent samples of lower crustal material and are, therefore, important in the study of crustal processes. New rare earth element data for the Scourian granulite facies terrain of the Precambrian Lewisian complex of N.W. Scotland indicate that: 1. Overall, the Scourian complex has a light rare earth enriched pattern with a small but distinct positive Eu anomaly; 2. While some rare earth element trends for the complex as a whole (e.g., Σ REE vs SiO2) are similar to those observed in upper crustal cogenetic sequences, others (e.g., Eu/Eu* vs SiO2) are reversed; 3. Compared to average upper crust, the Scourian complex is depleted in REE (except Eu) by a factor of 2 to 3. These new data, along with previously reported major and trace element data, isotopic abundances, and trace element modelling support the hypothesis that the Scourian terrain is the residuum left after genesis and removal of granitic melts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376632
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  • 10
    Electronic Resource
    Electronic Resource
    The lamprophyres of Ubekendt Ejland, West Greenland: Products of renewed partial melting or extreme differentiation? (1983)
    Springer
    Contributions to mineralogy and petrology 83 (1983), S. 117-127 
    Details
    ISSN: 1432-0967
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The late tholeiitic lavas of southwestern Ubekendt Ejland (63-54 Ma) are intruded by lamprophyre dykes (∼33 Ma). The compositional and temporal differences would seem to preclude any genetic relationship between the two igneous episodes. Competing models of renewed partial melting versus extended batch fractionation are considered to explain the origin of the lamprophyres. Mathematically modelled lamprophyres produced by batch fractionation are very close to observed lamprophyre compositions and this, combined with other temporal and spatial evidence, suggests that renewed partial melting of the mantle is not the best way to explain such bimodal suites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00373084
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