{"id":"https://openalex.org/W89364335","doi":"https://doi.org/10.5408/0022-1368-38.4.298","title":"Deciphering the Origin of Plume-Textured Geodes","display_name":"Deciphering the Origin of Plume-Textured Geodes","publication_year":1990,"publication_date":"1990-09-01","ids":{"openalex":"https://openalex.org/W89364335","doi":"https://doi.org/10.5408/0022-1368-38.4.298","mag":"89364335"},"language":"en","primary_location":{"id":"doi:10.5408/0022-1368-38.4.298","doi":"https://doi.org/10.5408/0022-1368-38.4.298","is_oa":true,"landing_page_url":"https://doi.org/10.5408/0022-1368-38.4.298","pdf_url":null,"source":{"id":"https://openalex.org/S2764948415","display_name":"Journal of Geological Education","issn_l":"0022-1368","issn":["0022-1368"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4353105719","host_organization_name":"National Association of Geoscience Teachers","host_organization_lineage":["https://openalex.org/P4353105719"],"host_organization_lineage_names":["National Association of Geoscience Teachers"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geological Education","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.5408/0022-1368-38.4.298","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5041712592","display_name":"George Donald Garlick","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192389796","display_name":"Cal Poly Humboldt","ror":"https://ror.org/02qt0xs84","country_code":"US","type":"education","lineage":["https://openalex.org/I192389796"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"George Donald Garlick","raw_affiliation_strings":["Department of Geology, Humboldt State University, Arcata, California 95521"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Humboldt State University, Arcata, California 95521","institution_ids":["https://openalex.org/I192389796"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103443831","display_name":"Francis Thomas Jones","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I192389796","display_name":"Cal Poly Humboldt","ror":"https://ror.org/02qt0xs84","country_code":"US","type":"education","lineage":["https://openalex.org/I192389796"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Francis Tucker Jones","raw_affiliation_strings":["Department of Geology, Humboldt State University, Arcata, California 95521"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Geology, Humboldt State University, Arcata, California 95521","institution_ids":["https://openalex.org/I192389796"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I192389796"],"apc_list":null,"apc_paid":null,"fwci":0.3859,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.52718235,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"38","issue":"4","first_page":"298","last_page":"305"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13443","display_name":"Mineralogy and Gemology Studies","score":0.9589999914169312,"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"}},"topics":[{"id":"https://openalex.org/T13443","display_name":"Mineralogy and Gemology Studies","score":0.9589999914169312,"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/T10072","display_name":"Science Education and Pedagogy","score":0.008899999782443047,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"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/T11278","display_name":"Calcium Carbonate Crystallization and Inhibition","score":0.006899999920278788,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/agate","display_name":"agate","score":0.8230000138282776},{"id":"https://openalex.org/keywords/chalcedony","display_name":"chalcedony","score":0.9340000152587891},{"id":"https://openalex.org/keywords/quartz","display_name":"quartz","score":0.7089999914169312},{"id":"https://openalex.org/keywords/silica-gel","display_name":"silica gel","score":0.527999997138977},{"id":"https://openalex.org/keywords/mineralogy-education","display_name":"mineralogy education","score":0.5299999713897705},{"id":"https://openalex.org/keywords/crystal-morphology","display_name":"crystal morphology","score":0.3319999873638153},{"id":"https://openalex.org/keywords/bragg-diffraction","display_name":"Bragg diffraction","score":0.7720000147819519}],"concepts":[{"id":"https://openalex.org/C2775840915","wikidata":"https://www.wikidata.org/wiki/Q3817528","display_name":"Plume","level":2,"score":0.6828067302703857},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3739436864852905},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.126580148935318},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.06559088826179504}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.5408/0022-1368-38.4.298","doi":"https://doi.org/10.5408/0022-1368-38.4.298","is_oa":true,"landing_page_url":"https://doi.org/10.5408/0022-1368-38.4.298","pdf_url":null,"source":{"id":"https://openalex.org/S2764948415","display_name":"Journal of Geological Education","issn_l":"0022-1368","issn":["0022-1368"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4353105719","host_organization_name":"National Association of Geoscience Teachers","host_organization_lineage":["https://openalex.org/P4353105719"],"host_organization_lineage_names":["National Association of Geoscience Teachers"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geological Education","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.5408/0022-1368-38.4.298","doi":"https://doi.org/10.5408/0022-1368-38.4.298","is_oa":true,"landing_page_url":"https://doi.org/10.5408/0022-1368-38.4.298","pdf_url":null,"source":{"id":"https://openalex.org/S2764948415","display_name":"Journal of Geological Education","issn_l":"0022-1368","issn":["0022-1368"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4353105719","host_organization_name":"National Association of Geoscience Teachers","host_organization_lineage":["https://openalex.org/P4353105719"],"host_organization_lineage_names":["National Association of Geoscience Teachers"],"type":"journal"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Geological Education","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2946734166","https://openalex.org/W3126514604","https://openalex.org/W4234744068","https://openalex.org/W1199823686","https://openalex.org/W4235545689","https://openalex.org/W1975345436","https://openalex.org/W2955967852","https://openalex.org/W2336032271","https://openalex.org/W2522947042","https://openalex.org/W7051664024"],"abstract_inverted_index":{"Readily":[0],"available":[1],"plume-textured":[2,53],"geodes":[3,34,54,66],"from":[4],"southern":[5],"Brazil":[6],"serve":[7],"as":[8],"excellent":[9],"materials":[10],"with":[11],"which":[12],"to":[13,36,121],"challenge":[14],"the":[15,99,111,122],"observational":[16],"and":[17,72,93,116],"interpretive":[18],"abilities":[19],"of":[20,32,48,69,110,125,129],"students":[21],"in":[22,83,103,136],"mineralogy.":[23],"The":[24,80,113],"most":[25],"obvious":[26],"puzzle":[27],"is":[28],"that":[29,75,89,107],"major":[30],"portions":[31],"these":[33,49],"appear":[35],"have":[37],"grown":[38],"outward":[39],"rather":[40],"than":[41],"inward!":[42],"We":[43],"hereby":[44],"present":[45],"our":[46],"interpretations":[47],"fascinating":[50],"geodes.":[51],"Typical":[52],"exhibit":[55],"a":[56,62,126,134],"convoluted":[57],"outer":[58],"surface":[59,114],"confined":[60],"within":[61],"streamlined":[63],"envelope.":[64],"Such":[65],"are":[67,101,119],"composed":[68],"interlaminated":[70],"chalcedonic":[71],"quartzine":[73],"agate":[74],"exhibits":[76],"plume-like":[77],"growth":[78,117],"patterns.":[79],"plumes":[81],"occur":[82],"quartzine-rich":[84],"zones":[85],"containing":[86],"sub-micron":[87],"inclusions":[88,100],"scatter":[90],"white":[91],"light":[92],"transmit":[94],"brown":[95],"light.":[96],"In":[97],"places,":[98],"arranged":[102],"regular":[104],"fine":[105],"bands":[106],"cause":[108],"Bragg-diffraction":[109],"spectrum.":[112],"morphology":[115],"pattern":[118],"attributed":[120],"incomplete":[123],"crystallization":[124,139],"precursor":[127],"layer":[128],"presumed":[130],"silica":[131],"gel":[132],"lining":[133],"vesicle":[135],"lava.":[137],"Although":[138],"nucleated":[140],"at":[141],"th...":[142]},"counts_by_year":[{"year":2019,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}