NDLI: High Energy Level Ammonites of the Paja Formation Early Barremian in the Villa De Leyva (boyacá) and Vélez (santander) Areas - Colombia

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High Energy Level Ammonites of the Paja Formation Early Barremian in the Villa De Leyva (boyacá) and Vélez (santander) Areas - Colombia

Content Provider	Semantic Scholar
Author	Patarroyo, Pedro
Copyright Year	2009
Abstract	In different areas near Velez (Santander) as La Paz, Chipata, Bolivar and Guavata it was identified a stratum with variable thickness, biostratonomy and characteristic fossil association. This bed had already been recognized in the Villa de Leyva (Boyaca) area, and located to the lower Barremian into the lowest multicolor mudstones level strata of the Paja Formation. The chaotic accumulation of molluscs fragments, complete ammonites, trunks and foraminifera is its principal characteristic, which makes its easy recognition in the field. To Villa de Leyva was possible to identify into the bed Crioceratites sp., Acrioceras julivertii Etayo-Serna, Pseudohaploceras incertum (Riedel), Nicklesia pulchella (D’Orbigny), Acanthoptychoceras trumpyi Kakabadze & Thieuloy, Phylloceras sp., Buergliceras buerglii Etayo-Serna, Valdedorsella sp. y Karsteniceras beyrichi (Karsten). To Velez area Pedioceras sp., Nicklesia pulchella (D’Orbigny), Acanthoptychoceras trumpyi Kakabadze & Thieuloy, Buergliceras buerglii (Etayo-Serna) y Pseudohaploceras incertum (Riedel). The ammonite association indicates the Nicklesia pulchella biozone of the Colombian early Barremian. The recognition of this level with a high-energy accumulation to the areas of Villa de Leyva and Velez can be indicating a regional distribution of a sedimentary event with these characteristics to the lower part of the Barremian from Colombia, which could be setting a sequence boundary to the basis of a high-energy transgressive system.
Starting Page	15
Ending Page	21
Page Count	7
File Format	PDF HTM / HTML
Volume Number	31
Alternate Webpage(s)	http://www.scielo.org.co/pdf/boge/v31n2/v31n2a01.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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