The Monegros-type chert: Petrographic characterization and prehistoric use

In recent years, allusions to exploitation of a so-called “Monegros-type” chert have been a commonplace in archaeological literature, mostly in Iberia but also in southern France. It has been also a routine that these references did not include a true petrographic characterization, being mere de vis...

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Main Authors: Luis Miguel García-Simón, Rafael Domingo
Format: Article
Language:English
Published: University of Edinburgh 2016-09-01
Series:Journal of Lithic Studies
Subjects:
Online Access:http://journals.ed.ac.uk/lithicstudies/article/view/1417
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author Luis Miguel García-Simón
Rafael Domingo
author_facet Luis Miguel García-Simón
Rafael Domingo
author_sort Luis Miguel García-Simón
collection DOAJ
description In recent years, allusions to exploitation of a so-called “Monegros-type” chert have been a commonplace in archaeological literature, mostly in Iberia but also in southern France. It has been also a routine that these references did not include a true petrographic characterization, being mere de visu descriptions of those products. This work presents, for the first time, macro and microscopic characterizations of some of the most outstanding chert outcrops located in the Middle Ebro Basin. There, tertiary limestone sediments that form the top part of the flat plateau reliefs hold great quantities of chert nodules. The noteworthy erosive processes that have affected this area have facilitated the gathering of those cherts: they are easy to find either in their original location, still embedded in the limestone layers, or in secondary position along the enormous glacis that connect those flat reliefs to the river terraces. Two main flint varieties have been defined: Monegros and Evaporitic of Ebro. Both were originated in continental lacustrine environments. They are fine-grained and offer excellent knapping possibilities; hence its common use since prehistoric times to recent semi-industrial exploitations related to 18th century gunflint productions. This paper offers a preliminary study that will be developed in a forthcoming PhD dissertation, but we also include examples of its prehistoric exploitation in the Ebro Basin and abroad.
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spelling doaj.art-d896787baf134e1e97dcb9802746aea52023-08-28T14:27:57ZengUniversity of EdinburghJournal of Lithic Studies2055-04722016-09-013235737410.2218/jls.v3i2.14171417The Monegros-type chert: Petrographic characterization and prehistoric useLuis Miguel García-Simón0Rafael Domingo1Universidad de ZaragozaUniversidad de ZaragozaIn recent years, allusions to exploitation of a so-called “Monegros-type” chert have been a commonplace in archaeological literature, mostly in Iberia but also in southern France. It has been also a routine that these references did not include a true petrographic characterization, being mere de visu descriptions of those products. This work presents, for the first time, macro and microscopic characterizations of some of the most outstanding chert outcrops located in the Middle Ebro Basin. There, tertiary limestone sediments that form the top part of the flat plateau reliefs hold great quantities of chert nodules. The noteworthy erosive processes that have affected this area have facilitated the gathering of those cherts: they are easy to find either in their original location, still embedded in the limestone layers, or in secondary position along the enormous glacis that connect those flat reliefs to the river terraces. Two main flint varieties have been defined: Monegros and Evaporitic of Ebro. Both were originated in continental lacustrine environments. They are fine-grained and offer excellent knapping possibilities; hence its common use since prehistoric times to recent semi-industrial exploitations related to 18th century gunflint productions. This paper offers a preliminary study that will be developed in a forthcoming PhD dissertation, but we also include examples of its prehistoric exploitation in the Ebro Basin and abroad.http://journals.ed.ac.uk/lithicstudies/article/view/1417monegros-type chertevaporitic of ebro-type chertebro tabular chertiberian peninsulaprehistory
spellingShingle Luis Miguel García-Simón
Rafael Domingo
The Monegros-type chert: Petrographic characterization and prehistoric use
Journal of Lithic Studies
monegros-type chert
evaporitic of ebro-type chert
ebro tabular chert
iberian peninsula
prehistory
title The Monegros-type chert: Petrographic characterization and prehistoric use
title_full The Monegros-type chert: Petrographic characterization and prehistoric use
title_fullStr The Monegros-type chert: Petrographic characterization and prehistoric use
title_full_unstemmed The Monegros-type chert: Petrographic characterization and prehistoric use
title_short The Monegros-type chert: Petrographic characterization and prehistoric use
title_sort monegros type chert petrographic characterization and prehistoric use
topic monegros-type chert
evaporitic of ebro-type chert
ebro tabular chert
iberian peninsula
prehistory
url http://journals.ed.ac.uk/lithicstudies/article/view/1417
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