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10 results on '"Coello Bravo, F. J."'

1. Intrashell and intershell aspartic acid racemization ratio variation in Holocene mollusca from the Gulf of Cadiz(SW Spain)

Author

Torres, Trinidad de, Llamas, F. J., Canoira, L., García Alonso, P., and Coello Bravo, F. J.

Subjects
Holocene, Spain, Pelecipoda, Spit bar, Asparctic acid, Amino chronology, Golfo de Cádiz
Abstract

This paper deals on intrashell and intershell aspartic acid racemization ratio variation in samples recovered from a UC 2200BP dated bar of "El Rompido" (Huelva) spit bar complex. From valves of Ostrea sp., Glycymeris sp. and Panopea sp. disc shaped subsample sets from the beack to the ventral border were obtained via drilling with a hollow diamond circular cutter. Statistical analysis of the results revealed good agreement with predicted variation coefficient in Ostrea and Glycymeris, being possible that Panopea sample would be composed by two different ones because of reworking

Published
1999

2. Variaciones -intraconcha e interconcha- de la racemización del ácido aspártico en moluscos holocenos del Golfo de Cádiz (SO de España)

Author

Torres, Trinidad de, Llamas, F. J., Canoira, L., García Alonso, P., and Coello Bravo, F. J.

Subjects
Holocene, Spain, Pelecipoda, Spit bar, Asparctic acid, Amino chronology, Golfo de Cádiz
Abstract

This paper deals on intrashell and intershell aspartic acid racemization ratio variation in samples recovered from a UC 2200BP dated bar of "El Rompido" (Huelva) spit bar complex. From valves of Ostrea sp., Glycymeris sp. and Panopea sp. disc shaped subsample sets from the beack to the ventral border were obtained via drilling with a hollow diamond circular cutter. Statistical analysis of the results revealed good agreement with predicted variation coefficient in Ostrea and Glycymeris, being possible that Panopea sample would be composed by two different ones because of reworking

Published
1999

3. El Arco del Andén Verde, a big gravitational landslide in the northwestern coast of Gran Canaria (Canary Islands)

Author

Coello Bravo, J. J. and Coello Bravo, F. J.

Subjects
Basaltic shield volcano, Gran Canaria, Flank collapse, Gravitational landslide
Abstract

A sector of the northwestern coast of Gran Canaria (Canary Island) shows morphological and tectónica! characters, here described, wich demostrate the presence of a big gravitational landslide of the debris avalanche type, produced by the flank collapse of a basaltic shield volcano of Mid-Miocene age

Published
1998

4. El Arco del Andén Verde, un gran deslizamiento gravitacional en la costa noroeste de Gran Canaria (Islas Canarias)

Author

Coello Bravo, J. J. and Coello Bravo, F. J.

Subjects
Basaltic shield volcano, Gran Canaria, Flank collapse, Gravitational landslide
Abstract

A sector of the northwestern coast of Gran Canaria (Canary Island) shows morphological and tectónica! characters, here described, wich demostrate the presence of a big gravitational landslide of the debris avalanche type, produced by the flank collapse of a basaltic shield volcano of Mid-Miocene age

Published
1998

5. Racemización de los aminoácidos de braquiópodos y pelecípodos de la sección de Cuesta Colorada (Almería, SE de España)

Author

Torres, Trinidad de, García Alonso, P., Canoira, L., Llamas, F. J., Coello Bravo, F. J., García González, L., Nestares, T., Peláez, A., and Rodríguez Alto, N.

Subjects
Pleistocene, Pliocene, Sedimentoiogy, Pelecipoda, Brachiopoda, Amino acid racemization
Abstract

This paper deals on the new Cuesta Colorada section study. A recent road cut allowed to study a more compietiogofthe former interpreted Pliocene - Pleistocene boundary. A great number of pelecipoda and brachiopoda shells from different strata were picked up for amino acid racemization analysis also, and the obtained results were compared with the palaeomagnetic interpretation

Published
1996

6. Amino acid racemization ofpelecipoda and brachiopoda from Cuesta Colorada (Almería, SE Spa/n) section

Author

Torres, Trinidad de, García Alonso, P., Canoira, L., Llamas, F. J., Coello Bravo, F. J., García González, L., Nestares, T., Peláez, A., and Rodríguez Alto, N.

Subjects
Pleistocene, Pliocene, Sedimentoiogy, Pelecipoda, Brachiopoda, Amino acid racemization
Abstract

This paper deals on the new Cuesta Colorada section study. A recent road cut allowed to study a more compietiogofthe former interpreted Pliocene - Pleistocene boundary. A great number of pelecipoda and brachiopoda shells from different strata were picked up for amino acid racemization analysis also, and the obtained results were compared with the palaeomagnetic interpretation

Published
1996

7. Geochemical (organic) Characterization of Holocene mollusca from the Gulf of Cádiz (Andalousie, Spain)

Author

Torres, Trinidad de, Canoira, L., Coello Bravo, F. J., García Alonso, P., García Cortés, Ángel, Llamas, J., Mansilla, H., Nestares, T., Peláez, A., and Somoza, L.

Subjects
Holocene, Mollusca, nutritional and metabolic diseases, Amino acids, Coastal deposits, humanities, Organic geochemistry
Abstract

This paper deals with amino acid racemization ratios and aspartic acid preservation in Holocene (8ka and 2ka old) and today gastropoda, pelecipoda and echinoderma shells from the Gulf of Cadiz. Today samples revealed a relative high aspartic acid racemization process, but there is a net stepwise between the three sampled localities. There is also a fast, time dependent, asparctic acid loss

Published
1995

8. Caracterización geoquímica (orgánica) de los moluscos holocenos del Golfo de Cádiz (Andalucía, España)

Author

Torres, Trinidad de, Canoira, L., Coello Bravo, F. J., García Alonso, P., García Cortés, Ángel, Llamas, J., Mansilla, H., Nestares, T., Peláez, A., and Somoza, L.

Subjects
Holocene, Mollusca, nutritional and metabolic diseases, Amino acids, Coastal deposits, humanities, Organic geochemistry
Abstract

This paper deals with amino acid racemization ratios and aspartic acid preservation in Holocene (8ka and 2ka old) and today gastropoda, pelecipoda and echinoderma shells from the Gulf of Cadiz. Today samples revealed a relative high aspartic acid racemization process, but there is a net stepwise between the three sampled localities. There is also a fast, time dependent, asparctic acid loss

Published
1995

9. Travertinos de río Blanco (Soria): edad y evolución

Author

Torres, Trinidad de, Canoira, L., Cobo, R., Coello Bravo, F. J., García Alonso, P., García Cortés, Ángel, Hoyos, M., Llamas, J. A., Mansilla, H., Soler, Vicente, and Valle Hernández, María

Subjects
Travertine, Amino Acid, Racemization, Lacustrine, Middle-Upper Pleistocene, Electro Spin Resonance, Central Spain, Fluvial
Abstract

Electro Spin Resonance and Amino Acid Racemizaton dating of Rio Blanco travertine deposits allowed to place travertine platforms bulidup into 9, 7 and 5 Oxigen Isotope Stages. Through topographical situation relative stratigraphy does ?nt work properly because "Las Chorroneras" barrier-water fall influence in backfilling process and local water table

Published
1995

10. The río Blanco (Soria, Spain) travertine deposits: age and evolution

Author

Torres, Trinidad de, Canoira, L., Cobo, R., Coello Bravo, F. J., García Alonso, P., García Cortés, Ángel, Hoyos, M., Llamas, J. A., Mansilla, H., Soler, Vicente, and Valle Hernández, María

Subjects
Travertine, Amino Acid, Racemization, Lacustrine, Middle-Upper Pleistocene, Electro Spin Resonance, Central Spain, Fluvial
Abstract

Electro Spin Resonance and Amino Acid Racemizaton dating of Rio Blanco travertine deposits allowed to place travertine platforms bulidup into 9, 7 and 5 Oxigen Isotope Stages. Through topographical situation relative stratigraphy does ?nt work properly because "Las Chorroneras" barrier-water fall influence in backfilling process and local water table

Published
1995

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