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Conodont biostratigraphy and depositional history of the Middle Devonian to Lower Carboniferous in the Cantabrian zone (Cantabrian Mountains, Spain) Naturalis
Raven, J.G.M..
Within the Cantabrian zone during the Devonian and Early Carboniferous three large palaeogeographical units were of importance: the Asturian geanticline, the Palencian basin and the Asturo-Leonesian basin. These units have a different history of sedimentation, particularly the Palencian basin. Further, in the Asturo-Leonesian basin there were some important structural elements: the Intra-Asturo-Leonesian facies line, formed by an active, normal fault parallel to the border of the basin, and two structural highs: the Pardomino high and the Somiedo high which divided the basin into three pieces. The Asturo-Leonesian basin was a narrow, shallow continental shelf which in the south and west passed into the deeper part which extended over the West...
Tipo: Article / Letter to the editor
Ano: 1983 URL: http://www.repository.naturalis.nl/record/505955
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Notes on Spanish non-marine molluscs : 3. Chondrinidae from the Cantabrian Mountains (Gastropoda: Pulmonata)* Naturalis
Raven, J.G.M..
A review is given of the distribution of Chondrinidae species in the Cantabrian Mountains. Few species occur in that area, Chondrina kobeltoides being the only endemic. Chondrina kobelti and C. kobeltoides are discussed and their characters are compared in a table. The taxon cliendentata is considered to be a subspecies of C. kobeltoides and not of C. kobelti as which it was originally described.
Tipo: Article / Letter to the editor Palavras-chave: Chondrinidae; Taxonomy; Chondrina kobeltoides cliendentata comb. nov.; Distribution; NW Spain; 42.73.
Ano: 1986 URL: http://www.repository.naturalis.nl/record/318705
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The Upper Devonian deposits in the northern part of Leon (Cantabrian Mountains, Northwestern Spain) Naturalis
Loevezijn, G.B.S. van; Raven, J.G.M..
During the Late Devonian, deposition in the Cantabrian Mountains was largely controlled by movements along faults. By way of intermitting subsidence of the area south of the Sabero-Gordón line and the connected progradation of the coast during the Frasnian and early Famennian, three regressive sequences were deposited. On account of these sequences the Nocedo Formation is divided into three units. Before the late Famennian transgression, after which the upper part of the Ermita Formation was deposited, the area was peneplained. Six facies maps show the changes in palaeogeography during the Late Devonian.
Tipo: Article / Letter to the editor
Ano: 1983 URL: http://www.repository.naturalis.nl/record/505765
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