A calcareous mudstone.https://depositsmag.com/wp-admin/admin.php?page=pms-basic-info-page
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Deposits Earth Science Archive
An acclaimed international collection of articles and book reviews on fossils, geology, minerals, palaeontology and earth science
A calcareous mudstone.https://depositsmag.com/wp-admin/admin.php?page=pms-basic-info-page