Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Valesca Brasil Lemos"'
Publikováno v:
Biotemas, Vol 24, Iss 2, Pp 37-46 (2011)
This study presents an analysis of reef bioconstructors at the Rocas Atoll, Brazil’s Northeast, sampled in January and February 2008. The results showed the presence of a community made up mainly of calcareous algae (Porolithon pachydermum, Sporoli
Externí odkaz:
https://doaj.org/article/7b599214359c41039f002cff10c3478a
Publikováno v:
Biotemas, Vol 24, Iss 2, Pp 37-46 (2011)
This study presents a analysis of reef bioconstructors at Rocas Atoll, Northeast of Brazil, sampled in January and February of 2008. The results show the presence of a community made up mainly of calcareous algae (Porolython pachydermum, Sporolython
Externí odkaz:
https://doaj.org/article/4311a6ce311149ca927fc8967ff044a6
Publikováno v:
Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, Vol 5, Iss 2, Pp 225-231 (2010)
The Rocas Atoll is a biogenic reef located 266 km from the brazilian northeast coast. Its carbonate structure is formed by corals, calcareous algae, foraminifers and vermetids. Such studied vermetid species are indicators of the sea level and of inte
Externí odkaz:
https://doaj.org/article/32a81e9332b341d39e1ae782a90d21ea
Publikováno v:
Brazilian Journal of Geology, Vol 41, Iss 1, Pp 85-94
Resumo: Análises biogeomorfológicas e de mapeamento das unidades recifais foram realizadas no único Atol do Atlântico Sul Equatorial para a compreensão da dinâmica e do relevo deste recife oceânico. O zoneamento demonstra a presença dos segui
Externí odkaz:
https://doaj.org/article/7dd6b6b96de04679bed29b847cbfe887
Autor:
Andrés Felipe Rojas Mantilla, Ana Karina Scomazzon, Sara Nascimento, Renata dos Santos Alvarenga, Valesca Brasil Lemos, Paulo Alves de Souza
Publikováno v:
Geobios. 75:17-40
Autor:
Koji Kawashita, Sara Nascimento, Afonso César Rodrigues Nogueira, Moacir José Buenano Macambira, Andrés Felipe Rojas Mantilla, Valesca Brasil Lemos, Ana Karina Scomazzon, Pedro Augusto Santos da Silva, Luciane Profs Moutinho, Edinei Koester
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Isotopic signatures presented in carbonates and fossils herein are one of the first attempts to obtain Sr and Nd data for the Early – Middle Pennsylvanian of the Itaituba epeiric sea and to evaluate the paleoseawater and paleotectonic of the Amazon
Publikováno v:
Journal of South American Earth Sciences. 72:76-94
This study aims to characterize the scolecodonts, trilobite pygidium fragments and fish remains of an outcropped region in the southern Amazonas Basin, comprising the uppermost section of the Monte Alegre Formation and the basal section of the Itaitu
Publikováno v:
Journal of South American Earth Sciences. 70:83-114
One of the most relevant characteristics of the Pennsylvanian shallow-water carbonates of the Amazonas Basin is its diverse and well preserved invertebrate fossiliferous assemblages. In order to better understand the origin of these fossil concentrat
Autor:
Sara Nascimento, Nilo Siguehiko Matsuda, Luciane Profs Moutinho, Valesca Brasil Lemos, Ana Karina Scomazzon
Publikováno v:
Journal of South American Earth Sciences. 65:25-42
This study was undertaken in the south and western regions of the Amazonas Basin to describe the conodont biostratigraphy and paleoecology of Pennsylvanian carbonate rocks of the marine portion of the Tapajos Group comprising the upper Monte Alegre,
Autor:
Valesca Brasil Lemos, Javier Sanz-López, Ana Karina Scomazzon, Silvia Blanco-Ferrera, Cassiane N. Cardoso
Publikováno v:
Journal of South American Earth Sciences. 64:139-151
The conodont color alteration index (CAI) was determined in elements from core samples of the Frasnian Barreirinha Formation (one well) and of the Pennsylvanian–Permian Tapajos Group (twenty three wells and one limestone quarry) in the Amazonas Bas