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Showing 1 - 20 results of 921 for search '"Middle Ordovician"', query time: 3.13s Refine Results
  1. 1
    “...The Middle Ordovician Simpson Group of southern Oklahoma consists of an exceptionally continuous...”
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  2. 2
    by Stouge, Svend, 1942-
    Published 1980
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    Thesis
  3. 3
    by Stouge, Svend
    Published 1980
    “... (Middle Ordovician) overlies the Lower Ordovician St. George Group. The Table Head strata are overlain...”
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  4. 4
    “... the Middle Ordovician Long Point Group of western Newfoundland. The massive sponge has a three dimensional...”
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  5. 5
    “... described by E. Billings in 1865 from Middle Ordovician (Whiterockian) strata of Newfoundland are revised...”
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  6. 6
    “...Two occurrences of Middle Ordovician opercula belonging to the gastropod Maclurites are described...”
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  7. 7
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  8. 8
    by Stouge, Svend Sandbergh
    Published 1984
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    Book
  9. 9
    by ROHR, DAVID M., MEASURES, E. A.
    Published 2001
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  10. 10
    by Stouge, Svend Sandbergh
    Published 1984
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    Book Part
  11. 11
    by Jiri Slama, Rolf B. Pedersen
    Published 2016
    Subjects: “...Middle Ordovician zircon ages...”
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    Dataset
  12. 12
    by Tanski, Stephen A.
    Published 1984
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    Text
  13. 13
    by Stenzel, Sheila Rae, 1954-
    Published 1991
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  14. 14
    by Stenzel, Sheila Rae
    Published 1991
    “... Middle Ordovician time. Preceding passive margin platform growth was abruptly terminated by widespread...”
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  15. 15
    by Ludvigsen, Rolf
    Published 1975
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  16. 16
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  17. 17
    by Brüchert, Volker
    Published 1992
    Subjects: “...Middle Ordovician Shoal Arm Formation...”
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  18. 18
    by Hunter, David Roy
    Published 1978
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  19. 19
    by ZHANG, XI-GUANG, PRATT, BRIAN R.
    Published 2000
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  20. 20
    by Hunter, David Roy
    Published 1978
    “...On New World Island, north central Newfoundland, the Middle Ordovician Cobbs Arm Formation...”
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