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Showing 1 - 18 results of 18 for search 'Black Rock', query time: 0.54s Refine Results
  1. 1
    ... high-grade metamorphic rocks of the Rauer Islands on the Prydz Bay coast of East Antarctica, has...
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  2. 2
    by Stuart, Alan
    Published in Geological Magazine (1927)
    ...So far as the writer is aware, no sodic or “contaminated” rocks have been recorded from Iceland...
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  3. 3
    ...Abstract The Late Cretaceous – Recent West Black Sea Basin and the Eocene–Oligocene Thrace Basin...
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  4. 4
    ... and Tierra del Fuego (Chile). It is characterized by the presence of black pseudothecia, pseudoparaphyses...
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  5. 5
  6. 6
    ... charnockite from Mawson Rock is thought to be erroneous, and a new date of 959 ± 58 Ma (consistent with both...
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  7. 7
    by Harley, S.L., Black, L.P.
    Published in Antarctic Science (1997)
    ... at the time of sedimentation there. The isotopic data are quite complex, particularly in rocks...
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  8. 8
  9. 9
    ... for this region, whereas tonalitic orthogneiss from Cape Charcot, the oldest known local rock, was derived...
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  10. 10
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  12. 12
    ... movement of the latter with consequent abrasion of stones and rock surfaces. However, the observations...
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  13. 13
    ...-derived plutonic rocks, ranging from gabbro, through quartz monzogabbro and quartz monzodiorite...
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  14. 14
    ... in having semi-macronematous conidiophores, tissues encrusted with calcium oxalate, aeruginose to blue-black...
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  15. 15
    ... properties of the colonized rock. Epilithic communities, especially those dominated by lichens, are able...
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  16. 16
    ... modal %) beds appear black and coal-like with conchoidal fracture and closely spaced cleat-like...
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  17. 17
    by Landing, Ed
    Published in Journal of Paleontology (1993)
    ... rocks can unconformably overlie units as low as the Proterozoic. The earliest Ordovician featured a...
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  18. 18
    .... Crystalline, Proterozoic basement rocks (mainly syenite) are unconformably overlain by a sedimentary cover...
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