LITHOSTRATIGRAPHY AND PLANKTONIC FORAMINIFERAL BIOSTRATIGRAPHY OF THE APTIAN-ALBIAN "SCISTI A FUCOIDI" IN THE PIOBBICO CORE, MARCHE, ITALY: BACKGROUND FOR CYCLOSTRATIGRAPHY

The Aptian-Albian Scisti a Fucoidi Formation, cropping out widely in the Umbrian-Marchean Basin (Italy), consists of a varicolored pelagic sequence of thinly interbedded red and green marlstones and calcareous marlstones, dark gray to black Corg-rich calcareous shales, and light green-gray marly lim...

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Bibliographic Details
Main Authors: TORNAGHI, MARIA EMILIA, PREMOLI SILVA, ISABELLA, RlPEPE, MAURIZIO
Format: Article in Journal/Newspaper
Language:English
Published: Milano University Press 1989
Subjects:
Piobbico core
Scisti a Fucoidi
Marche
Italy
Aptian-Albian
Lithostratigraphy
Planktonic foraminifera
Paleoenvironmental remarks
Online Access:https://riviste.unimi.it/index.php/RIPS/article/view/10625
https://doi.org/10.13130/2039-4942/10625
Description
Summary:The Aptian-Albian Scisti a Fucoidi Formation, cropping out widely in the Umbrian-Marchean Basin (Italy), consists of a varicolored pelagic sequence of thinly interbedded red and green marlstones and calcareous marlstones, dark gray to black Corg-rich calcareous shales, and light green-gray marly limestones andlimestones. The variable colored lithotypes appear to be rhythmically deposited. In order to investigate in detail such rhythmicity and the mechanism leading to the accumulation of Corg-rich sediments, a core, the Piobbico core, was specifically cut through the Scisti a Fucoidi.

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