{"text_format":"2","workbook":"xls","n_sheets":1,"sheets":["report2"],"not_rendered":{"charts":0,"images":0,"macros":0,"external_links":1,"defined_names":1,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"report2","index":0,"n_rows":17,"n_cols":5,"rows_kept":17,"cut":false,"hidden":false,"merged":[[0,2,0,3],[0,4,0,5],[1,2,1,3],[1,4,1,5],[2,2,2,3],[2,4,2,5],[3,2,3,3],[4,2,4,3],[5,2,5,3],[6,2,6,3],[12,2,12,3],[13,2,13,3]],"flags":["formulas_cached_only"]}
[null,"1.","Record Nr.",null,"UNINA9910709619203321"]
[null,null,"Autore",null,"Foley N. K."]
[null,null,"Titolo",null,"Mineralogy, mineral chemistry, and paragenesis of gold, silver, and base-metal ores of the North Amethyst vein system, San Juan Mountains, Mineral County, Colorado / / by Nora K. Foley [and three others]"]
[null,null,"Pubbl/distr/stampa",null,"Washington : , : U.S. Department of the Interior, U.S. Geological Survey, , 1993"]
[null,null,"Descrizione fisica",null,"1 online resource (iv, 39 pages) : illustrations, maps"]
[null,null,"Collana",null,"U.S. Geological Survey professional paper ; ; 1537"]
[null,null,"Soggetti",null,"Gold ores - Geology - Colorado - Mineral County"]
[{"$nulls":4},"Ore deposits - Colorado - Mineral County"]
[{"$nulls":4},"Ore deposits - San Juan Mountains (Colo. and N.M.)"]
[{"$nulls":4},"Gold ores - Geology"]
[{"$nulls":4},"Ore deposits"]
[{"$nulls":4},"Colorado Mineral County"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","\"A study of progressive vein-related mineralization of structures in volcanic rocks of the San Luis and Bachelor calderas of the San Juan volcanic field of southwestern Colorado and its bearing on the economic potential of the area.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 37-39)."]