NDLI: Petrografia de beachrock em zona costa afora adjacente ao litoral norte do Rio Grande do Norte, Brasil

Content Provider	Semantic Scholar
Author	Neto, Izaac Cabral Córdoba, Valéria Centurion Vital, Helenice
Copyright Year	2010
Abstract	Foi analisado petrograficamente um corpo rochoso submerso na plataforma norte do Rio Grande do Norte. Esse corpo, denominado “Urca do Minhoto”, dista aproximadamente 18 km da atual linha de costa. Quartzo, bioclastos, feldspatos e fragmentos de rocha formam os principais constituintes do arcabouco. O cimento de carbonato de calcio esta presente sob tres tipos distintos: mosaicos de calcita micritica e de calcita espatica equante, ambos ocupando o espaco intergranular, e franjas prismaticas isopacas, precipitadas nas bordas dos graos. A granulacao da rocha varia de areia muito fina a grânulo. O empacotamento frouxo e reflexo da cimentacao precoce da rocha, que ocorreu em condicoes de soterramento raso (eodiagenese).
File Format	PDF HTM / HTML
DOI	10.5380/abequa.v2i1-2.14116
Volume Number	2
Alternate Webpage(s)	https://revistas.ufpr.br/abequa/article/download/14116/13839
Alternate Webpage(s)	https://doi.org/10.5380/abequa.v2i1-2.14116
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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