{"id":"https://openalex.org/W2056971695","doi":"https://doi.org/10.1016/j.chemer.2007.03.001","title":"Desert varnish and petroglyphs on sandstone \u2013 Geochemical composition and climate changes from Pleistocene to Holocene (Libya)","display_name":"Desert varnish and petroglyphs on sandstone \u2013 Geochemical composition and climate changes from Pleistocene to Holocene (Libya)","publication_year":2007,"publication_date":"2007-05-31","ids":{"openalex":"https://openalex.org/W2056971695","doi":"https://doi.org/10.1016/j.chemer.2007.03.001","mag":"2056971695"},"language":"en","primary_location":{"id":"doi:10.1016/j.chemer.2007.03.001","doi":"https://doi.org/10.1016/j.chemer.2007.03.001","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chemer.2007.03.001","pdf_url":null,"source":{"id":"https://openalex.org/S2898436872","display_name":"Geochemistry","issn_l":"0009-2819","issn":["0009-2819","1611-5864"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geochemistry","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5042828801","display_name":"Martin Dietzel","orcid":"https://orcid.org/0000-0003-2222-2459","observed_orcids":["https://orcid.org/0000-0003-2222-2459"]},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":true,"raw_author_name":"Martin Dietzel","raw_affiliation_strings":["Institute of Applied Geosciences, Graz University of Technology, Rechbauerstrasse 12, A-8010, Graz, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Applied Geosciences, Graz University of Technology, Rechbauerstrasse 12, A-8010, Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085796344","display_name":"H. Kolmer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Hans Kolmer","raw_affiliation_strings":["Institute of Applied Geosciences, Graz University of Technology, Rechbauerstrasse 12, A-8010, Graz, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Applied Geosciences, Graz University of Technology, Rechbauerstrasse 12, A-8010, Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033330210","display_name":"Peter P\u00f6lt","orcid":"https://orcid.org/0000-0001-6910-5095","observed_orcids":["https://orcid.org/0000-0001-6910-5095"]},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Peter P\u00f6lt","raw_affiliation_strings":["Research Institute for Electron Microscopy, Graz University of Technology, Steyrergasse 17/III, A-8010 Graz, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Institute for Electron Microscopy, Graz University of Technology, Steyrergasse 17/III, A-8010 Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112382304","display_name":"Sanja \u0160imi\u0107","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4092182","display_name":"Graz University of Technology","ror":"https://ror.org/00d7xrm67","country_code":"AT","type":"education","lineage":["https://openalex.org/I4092182"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Sanja Simic","raw_affiliation_strings":["Research Institute for Electron Microscopy, Graz University of Technology, Steyrergasse 17/III, A-8010 Graz, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Institute for Electron Microscopy, Graz University of Technology, Steyrergasse 17/III, A-8010 Graz, Austria","institution_ids":["https://openalex.org/I4092182"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5042828801"],"corresponding_institution_ids":["https://openalex.org/I4092182"],"apc_list":{"value":3440,"currency":"USD","value_usd":3440},"apc_paid":null,"fwci":3.7595,"has_fulltext":false,"cited_by_count":36,"citation_normalized_percentile":{"value":0.92359551,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"68","issue":"1","first_page":"31","last_page":"43"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13256","display_name":"Archaeology and Rock Art Studies","score":0.6869999766349792,"subfield":{"id":"https://openalex.org/subfields/3302","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T13256","display_name":"Archaeology and Rock Art Studies","score":0.6869999766349792,"subfield":{"id":"https://openalex.org/subfields/3302","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11740","display_name":"Geochemistry and Elemental Analysis","score":0.12610000371932983,"subfield":{"id":"https://openalex.org/subfields/1906","display_name":"Geochemistry and Petrology"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11212","display_name":"Cultural Heritage Materials Analysis","score":0.09189999848604202,"subfield":{"id":"https://openalex.org/subfields/1204","display_name":"Archeology"},"field":{"id":"https://openalex.org/fields/12","display_name":"Arts and Humanities"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/desert-varnish","display_name":"desert varnish","score":1.0},{"id":"https://openalex.org/keywords/petroglyphs","display_name":"petroglyphs","score":0.984000027179718},{"id":"https://openalex.org/keywords/sandstone","display_name":"sandstone","score":0.8989999890327454},{"id":"https://openalex.org/keywords/manganese-oxyhydroxide","display_name":"manganese oxyhydroxide","score":0.8379999995231628},{"id":"https://openalex.org/keywords/rock-art-dating","display_name":"rock art dating","score":0.8100000023841858},{"id":"https://openalex.org/keywords/climate-change","display_name":"climate change","score":0.5360000133514404},{"id":"https://openalex.org/keywords/humid-periods","display_name":"humid periods","score":0.8270000219345093},{"id":"https://openalex.org/keywords/terminal-pleistocene","display_name":"terminal Pleistocene","score":0.8019999861717224},{"id":"https://openalex.org/keywords/holocene","display_name":"Holocene","score":0.9980000257492065},{"id":"https://openalex.org/keywords/aeolian-dust","display_name":"aeolian dust","score":0.49000000953674316},{"id":"https://openalex.org/keywords/clay-minerals","display_name":"clay minerals","score":0.7200000286102295},{"id":"https://openalex.org/keywords/iron-oxyhydroxides","display_name":"iron oxyhydroxide","score":0.7160000205039978},{"id":"https://openalex.org/keywords/north-africa","display_name":"North Africa","score":0.5149999856948853}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7039079666137695},{"id":"https://openalex.org/C140345934","wikidata":"https://www.wikidata.org/wiki/Q25445","display_name":"Holocene","level":2,"score":0.6630939245223999},{"id":"https://openalex.org/C53570757","wikidata":"https://www.wikidata.org/wiki/Q25546","display_name":"Pleistocene","level":2,"score":0.5627376437187195},{"id":"https://openalex.org/C2776381685","wikidata":"https://www.wikidata.org/wiki/Q1211146","display_name":"Rock art","level":2,"score":0.52440345287323},{"id":"https://openalex.org/C28667232","wikidata":"https://www.wikidata.org/wiki/Q81683","display_name":"Varnish","level":3,"score":0.5092331171035767},{"id":"https://openalex.org/C2780191791","wikidata":"https://www.wikidata.org/wiki/Q171917","display_name":"Calcite","level":2,"score":0.4911172091960907},{"id":"https://openalex.org/C2779429093","wikidata":"https://www.wikidata.org/wiki/Q1145804","display_name":"Illite","level":3,"score":0.4745652973651886},{"id":"https://openalex.org/C17409809","wikidata":"https://www.wikidata.org/wiki/Q161764","display_name":"Geochemistry","level":1,"score":0.4726097881793976},{"id":"https://openalex.org/C2778520076","wikidata":"https://www.wikidata.org/wiki/Q170258","display_name":"Feldspar","level":3,"score":0.4472905397415161},{"id":"https://openalex.org/C2777557983","wikidata":"https://www.wikidata.org/wiki/Q384943","display_name":"Lamination","level":3,"score":0.44062721729278564},{"id":"https://openalex.org/C40212044","wikidata":"https://www.wikidata.org/wiki/Q1799034","display_name":"Clay minerals","level":2,"score":0.3688058853149414},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.35141390562057495},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.327422559261322},{"id":"https://openalex.org/C2779870107","wikidata":"https://www.wikidata.org/wiki/Q43010","display_name":"Quartz","level":2,"score":0.315226286649704},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.2057119607925415},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.1477591097354889},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11203506588935852},{"id":"https://openalex.org/C2779227376","wikidata":"https://www.wikidata.org/wiki/Q6505497","display_name":"Layer (electronics)","level":2,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C2781448156","wikidata":"https://www.wikidata.org/wiki/Q1570182","display_name":"Coating","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/j.chemer.2007.03.001","doi":"https://doi.org/10.1016/j.chemer.2007.03.001","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.chemer.2007.03.001","pdf_url":null,"source":{"id":"https://openalex.org/S2898436872","display_name":"Geochemistry","issn_l":"0009-2819","issn":["0009-2819","1611-5864"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","norway-1","poland-100","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geochemistry","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"display_name":"Climate action","id":"https://metadata.un.org/sdg/13","score":0.6800000071525574}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":57,"referenced_works":["https://openalex.org/W17255637","https://openalex.org/W42023814","https://openalex.org/W46966020","https://openalex.org/W303270153","https://openalex.org/W333767155","https://openalex.org/W583222830","https://openalex.org/W609566873","https://openalex.org/W1540658327","https://openalex.org/W1561451082","https://openalex.org/W1578769011","https://openalex.org/W1965636393","https://openalex.org/W1969006683","https://openalex.org/W1969955200","https://openalex.org/W1976002167","https://openalex.org/W1977623115","https://openalex.org/W1982129609","https://openalex.org/W1985123222","https://openalex.org/W1988233947","https://openalex.org/W1993258841","https://openalex.org/W1997772382","https://openalex.org/W1997805398","https://openalex.org/W2016751313","https://openalex.org/W2019380312","https://openalex.org/W2026979800","https://openalex.org/W2032372646","https://openalex.org/W2036969886","https://openalex.org/W2048140682","https://openalex.org/W2052672736","https://openalex.org/W2053788759","https://openalex.org/W2055236587","https://openalex.org/W2056380135","https://openalex.org/W2056621876","https://openalex.org/W2058306764","https://openalex.org/W2061653187","https://openalex.org/W2067277675","https://openalex.org/W2069855865","https://openalex.org/W2083569348","https://openalex.org/W2087309847","https://openalex.org/W2093158629","https://openalex.org/W2097045610","https://openalex.org/W2102640922","https://openalex.org/W2105437508","https://openalex.org/W2110302823","https://openalex.org/W2135445963","https://openalex.org/W2173170401","https://openalex.org/W2322598246","https://openalex.org/W2516222775","https://openalex.org/W2524811426","https://openalex.org/W2615513805","https://openalex.org/W3213685225","https://openalex.org/W4236637036","https://openalex.org/W4285719527","https://openalex.org/W6601711526","https://openalex.org/W6726501346","https://openalex.org/W6806680126","https://openalex.org/W6907608301","https://openalex.org/W7011286206"],"related_works":["https://openalex.org/W2946704488","https://openalex.org/W1981078926","https://openalex.org/W2808411235","https://openalex.org/W2019380312","https://openalex.org/W2054736954","https://openalex.org/W2025110801","https://openalex.org/W2615513805","https://openalex.org/W7131346035","https://openalex.org/W3212019320","https://openalex.org/W2141125144"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":2},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}