Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLetter from the editor.AuthorsPrieto, GermánSubjectsSEDIMENTARY rocks; X-ray diffraction; RADIOPACITYPublicationEarth Sciences Research Journal, 2018, Vol 22, Issue 1, p1ISSN1794-6190Publication typeArticle