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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Europe
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Western Europe
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United Kingdom
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Great Britain
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Scotland
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Highland region Scotland
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Caithness Scotland (2)
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Orkney Islands (3)
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Orcadian Basin (3)
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fossils
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Chordata
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Vertebrata
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Pisces
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Acanthodii (2)
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geologic age
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Paleozoic
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Devonian
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Middle Devonian
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Givetian (3)
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Primary terms
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biogeography (2)
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Chordata
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Vertebrata
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Pisces
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Acanthodii (2)
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Europe
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Western Europe
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United Kingdom
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Great Britain
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Scotland
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Highland region Scotland
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Caithness Scotland (2)
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Orkney Islands (3)
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Paleozoic
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Devonian
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Middle Devonian
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Givetian (3)
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stratigraphy (1)
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Skaill Quarry
Illustrations of ‘ Osteolepis microlepidotus ’ from Skaill Quarry, Orkney: ...
A lectotype for the Scottish Middle Devonian (Givetian) fish Osteolepis panderi and the historical problems of the genus Osteolepis
A new cheiracanthid acanthodian from the Middle Devonian (Givetian) Orcadian Basin of Scotland and its biostratigraphic and biogeographical significance
The vertebrate biostratigraphy of the Rousay sequence in the Middle Devonian of Orkney, Scotland
Two newly identified cheiracanthid acanthodians from the Mey Flagstone Formation (Givetian, Middle Devonian) of the Orcadian Basin, Scotland
Abstract The Hugh Miller collection (mainly NMS G.1859.33) held at the National Museums of Scotland, Edinburgh, consists of 591 palaeobotanical specimens, 54 of which are of type and/or figured status. A preliminary assessment of this collection, in the light of renewed interest in Hugh Miller’s works in the bicentenary of his birth (2002), has provided new insights into this remarkable Scottish geologist. Miller, through writing popular articles in both newspaper and book format, publicized the various subdisciplines of palaeontology including palaeobotany. His distinctive writing style promoted public understanding of the science, and helped his readers to grasp the concept of deep time and the intricacies of past worlds. An appendix of type and figured material based on Miller’s collection is included.
Abstract The Kačák Event is a late Eifelian (Mid-Devonian) episode of marine dysoxia/anoxia with associated extinctions. It has been widely recognized in the shelf seas that surrounded the Old Red Sandstone continent. It was contemporary with the lacustrine Orcadian Basin in Scotland. This basin contains the distinctive Achanarras lake horizon that contains a rich and diverse fish fauna. The Achanarras lake was wide and deep and would have been filled by rainfall from a monsoon system at an insolation maximum. Faunal elements within the lake are in common with the Kernavė Member in Estonia and this level can be conodont dated as late Eifelian eiflius or ensensis Zone. Therefore the group of lacustrine flooding climatic events that occur at and above the Achanarras level can be correlated with the marine Kačák Event ( sensu lato ) and both can be regarded as having a common climatic cause and driven by an insolation maximum. A reconstruction of the Orcadian Basin drainage system and a water balance model based on the calcium flux within the lake shows that a very significant volume of water would have been seasonally discharged to the Rheic Ocean and would have caused an additional environmental effect.