Results 51 to 60 of about 392 (143)

Facies analysis, sequence stratigraphy and chemostratigraphy of the Sete Lagoas Formation (Bambui Group), northern Minas Gerais State, Brazil: evidence of a cap carbonate deposited on the Januária basement high

Brazilian Journal of Geology
: Sedimentary rocks of the Sete Lagoas Formation, exposed in the left margin of the São Francisco river (Minas Gerais State, Brazil), were deposited on the Januária-Itacarambi basement high.
Pascoal Perrella Júnior, Alexandre Uhlein, Gabriel Jube Uhlein, Alcides Nobrega Sial, Antônio Carlos Pedrosa-Soares, Otávio Nunes Borges de Lima   +5 more
doaj   +1 more source

Palaeoecology of Ediacaran metazoan reefs [PDF]

, 2016
Terminal Ediacaran metazoan reefs (~548-541 Million years ago (Ma)) can be locally substantial and the skeletal metazoans Cloudina riemkeae, C. hartmannae, Namacalathus and Namapoikia produced diverse reef types with complex ecologies in association with
Wood, Rachel
core   +1 more source

Multiple branching and attachment structures in cloudinomorphs, Nama Group, Namibia [PDF]

, 2020
The Ediacaran-Cambrian cloudinomorphs, which include Cloudina, are the first putative skeletal metazoans. They have a benthic ecology and tubular, organic, or biomineralized stacked funnel morphologies but an unresolved phylogenetic affinity.
Curtis, A., Bowyer, Fred, Shore, A., Wood, R., Curtis, Andrew; id_orcid, Bowyer, F., Shore, Amy, Wood, Rachel   +7 more
core   +1 more source

Sedimentary provenance in the southern sector of the São Francisco Basin, SE Brazil

Brazilian Journal of Geology
: We present new Sm-Nd, U-Pb and Hf isotope geochronological data for the siliciclastic rocks in the southern sector of the São Francisco Basin. An abrupt change in the Sm-Nd data is observed from the Carrancas Formation’s oligomitic conglomerates (TDM ...
Gustavo Macedo de Paula-Santos, Marly Babinski   +1 more
doaj   +1 more source

O registro fossilífero de metazoários ediacaranos na América do Sul e suas implicações nos estudos sobre origem e complexificação da vida animal

Geologia USP. Série Científica, 2013
O Período Ediacarano marca o aparecimento dos primeiros organismos macroscópicos complexos no registro fóssil. Evidências atuais indicam que a biota de Ediacara é composta tanto por animais quanto por grupos de protistas gigantes extintos, além de algas ...
Bruno Becker Kerber, Ana Lucia Zucatti da Rosa, Sandra Garcia Gabas, Juliana de Moraes Leme, Mírian Liza Alves Forancelli Pacheco   +4 more
doaj  

Primera cita de Cloudina carinata Cortijo et al., 2010 en Sudamérica, Formación de Tamengo, Grupo de Corumbá, Brasil Brazil

, 2019
It is herein presented the unprecedented occurrence of Cloudina carinata Cortijo et al., 2010 in the American continent. This new occurrence expanded the geographic distribution of this species, until now reported from sections in Spain and Siberia ...
RAMOS, M.E.A.F., GIORGIONI, Martino, FAZIO, G., WALDE, D.H.G., CORTIJO, Ivan, CARMO, Demerval Aparecido do, DENEZINE, Matheus, ERDTMANN, B.D, ADÔRNO, Rodrigo Rodrigues   +8 more
core  

Exceptional soft tissue preservation reveals a cnidarian affinity for a Cambrian phosphatic tubicolous enigma. [PDF]

Proc Biol Sci, 2022
Zhang G, Parry LA, Vinther J, Ma X.
europepmc   +1 more source

Environmental context for the terminal Ediacaran biomineralization of animals [PDF]

, 2016
"In terminal Ediacaran strata of South China, the onset of calcareous biomineralization is preserved in the paleontological transition from Conotubus to Cloudina in repetitious limestone facies of the Dengying Formation.
J. D. Schiffbauer, Peng, Yongbo, H. Cao, Cao, Hansheng, Min, Xiao, Xiao, Shuhai, S. Peek, Kaufman, A.J., Martin, A.J., Peek, Sara, Liu, X.-M., S. Xiao, X.‐M. Liu, A. J. Martin, Cui, Huan, Peng, Y., Liu, Xiaoming, Xiao, S., Schiffbauer, J.D., Schiffbauer, J. D., A. J. Kaufman, Schiffbauer, James D., Martin, A. J., H. Cui, Kaufman, Alan Jay, X. Min, Kaufman, A. J., Y. Peng, Z. Siegel, Peek, S., Cao, H., Min, X., Martin, Aaron James, Cai, Yaoping, Cui, H., Siegel, Zakri., Y. Cai, Cai, Y., Liu, X. M., Siegel, Z.   +39 more
core   +1 more source

Litoestratigrafía, Bioestratigrafía y Correlaciones de las Sucesiones Sedimentarias del Neoproterozoico-Cámbrico del cratón del Río de la Plata (Uruguay y Argentina) Litostratigraphy, biostratigraphy and correlations of the sedimentary sucessions of the Neoproterozoic-Cambrian of the Rio de la Plata Craton (Uruguay and Argentina)

Latin American Journal of Sedimentology and Basin Analysis, 2005
Se compara la lito- bio- y quimioestratigrafía de sucesiones sedimentarias del Neoproterozoico del Cratón del Río de la Plata, a saber: Grupo Arroyo del Soldado (GAS), Uruguay y Grupo Sierras Bayas - Formación Cerro Negro (GSB-FmCN) de Tandilia ...
Claudio Gaucher, Daniel G. Poiré, Lucía Gómez Peral, Leticia Chiglino   +3 more
doaj  

A crown-group cnidarian from the Ediacaran of Charnwood Forest, UK. [PDF]

Nat Ecol Evol, 2022
Dunn FS, Kenchington CG, Parry LA, Clark JW, Kendall RS, Wilby PR.   +5 more
europepmc   +1 more source