Mostrando 9,201 - 9,220 Resultados de 10,994 Para Buscar '"rock ', tiempo de consulta: 0.19s Limitar resultados
  1. 9201
  2. 9202
    “…Composed entirely of iron-oxyhydroxide, McGraths Flat rocks cannot be processed using typical microfossil extraction protocols e.g., acid digestion. …”
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  3. 9203
    “…Sedimentary sequences interbedded with tuff layers unconformably overlay metamorphic rocks in the Sulu Orogen. This research presents a more reliable geochronological dataset of a tuff layer on Lingshan Island in Qingdao. …”
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  4. 9204
    “…Terrestrial and lunar rocks share chemical and isotopic similarities in refractory elements, suggestive of a common precursor. …”
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  5. 9205
    “…The presence of lattice legs is found to reduce the spudcan settlement during large amplitude cyclic rocking.…”
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  6. 9206
    “…Among them, the Mississippi-Valley type deposits and related oil fields often comprise large-scale hydrothermal systems where regional host rocks are stained with disseminated liquid petroleum (crude oil) and other organic compounds. …”
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  7. 9207
    “…Our results reveal 9 seafloor mounds (~ 137 m high) above gigantic (~ 5.4 km high) fluid escape pipes that are associated with deeper crystalline rocks. The structural make-up of the mounds, their geospatial relationships with the pipes and intrusive rocks, and geophysical properties suggest a primary volcanic or hydrothermal origin for the culpable fluids and mounds respectively. …”
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  8. 9208
    “…Coesite in impact rocks is traditionally considered a retrograde product formed during pressure release by the crystallisation of an amorphous phase (either silica melt or diaplectic glass). …”
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  9. 9209
    “…In this study, we present halogen (Cl, F) measurements in apatite grains from the mafic (metagabbro), and felsic (two-pyroxene granulite, charnockite, hornblende-biotite gneiss) rocks preserved in the Nilgiri Block, southern India. …”
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  10. 9210
    “…When the Linear Parallel Bond Model (PBM) in Particle Flow Code is used to simulate intact rocks, a basic problem is how to determine the microscopic parameters that control the macroscopic properties of the modeled rocks. …”
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  11. 9211
    por Faulkner, Danny
    Publicado 2014
    “…The moon not only influences the tides on earth, but also causes rocks to "stretch!"…”
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  12. 9212
    “…Previous work using chromium isotopes in sedimentary rocks has suggested that Mesoproterozoic Era atmospheric oxygen levels were too  low in concentration (<0.1% of present-day levels (PAL)) for the expansion of eukaryotic algae and for the evolution of crown-group animals that occurred later in the Neoproterozoic Era. …”
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  13. 9213
    “…The Noachian‐aged crater has undergone several periods of fluvial and lacustrine activity and phyllosilicate‐ and carbonate‐bearing rocks were formed and emplaced as a result. It also contains a portion of the regional Nili Fossae olivine‐carbonate unit. …”
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  14. 9214
  15. 9215
    “…Mining waste rocks containing sulfide minerals naturally provide the habitat for iron- and sulfur-oxidizing microbes, and they accelerate the generation of acid mine drainage (AMD) by promoting the oxidation of sulfide minerals. …”
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  16. 9216
    “…The generation of oil from Cambrian source rocks began at the end of Silurian and ended after Caledonian orogeny. …”
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  17. 9217
    “…The presence of anisotropy within the IB and overlying crustal rocks is evidenced by back‐azimuthal dependence of the amplitude of P‐to‐S phases. …”
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  18. 9218
    “…The ventral surfaces of translucent rocks from hot desert pavements often harbor hypolithic microbial communities, which are mostly dominated by cyanobacteria. …”
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  19. 9219
    “…Petrological investigations coupled with zircon U–Pb dating were performed on metavolcanic rocks (porphyroids) and their phyllite host rocks, sampled from three locations within the Dilove Nappe. …”
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  20. 9220
    “…Constraining the stress related to lithospheric deformation in natural rocks is key to develop and test a geodynamic model. …”
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