{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T21:39:08Z","timestamp":1782423548933,"version":"3.54.5"},"reference-count":0,"publisher":"Canadian Science Publishing","issue":"5","license":[{"start":{"date-parts":[[1971,5,1]],"date-time":"1971-05-01T00:00:00Z","timestamp":41904000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Can. J. Earth Sci."],"published-print":{"date-parts":[[1971,5,1]]},"abstract":"<jats:p> A system is presented whereby volcanic rocks may be classified chemically as follows:I. Subalkaline Rocks:A. Tholeiitic basalt series:Tholeiitic picrite-basalt; tholeiite; tholeiitic andesite.B. Calc-alkali series:High-alumina basalt; andesite; dacite; rhyolite.II. Alkaline Rocks:A. Alkali olivine basalt series:(1) Alkalic picrite\u2013basalt; ankaramite; alkali basalt; hawaiite; mugearite; benmorite; trachyte.(2) Alkalic picrite\u2013basalt; ankaramite; alkali basalt; trachybasalt; tristanite; trachyte.B. Nephelinic, leucitic, and analcitic rocks.III. Peralkaline Rocks:pantellerite, commendite, etc. <\/jats:p>","DOI":"10.1139\/e71-055","type":"journal-article","created":{"date-parts":[[2011,4,23]],"date-time":"2011-04-23T10:40:41Z","timestamp":1303555241000},"page":"523-548","source":"Crossref","is-referenced-by-count":5677,"title":["A Guide to the Chemical Classification of the Common Volcanic Rocks"],"prefix":"10.1139","volume":"8","author":[{"given":"T. N.","family":"Irvine","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. R. A.","family":"Baragar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"155","container-title":["Canadian Journal of Earth Sciences"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.nrcresearchpress.com\/doi\/pdf\/10.1139\/e71-055","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,1,6]],"date-time":"2020-01-06T02:42:38Z","timestamp":1578278558000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.nrcresearchpress.com\/doi\/10.1139\/e71-055"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1971,5,1]]},"references-count":0,"journal-issue":{"issue":"5","published-print":{"date-parts":[[1971,5,1]]}},"alternative-id":["10.1139\/e71-055"],"URL":"https:\/\/doi.org\/10.1139\/e71-055","relation":{},"ISSN":["0008-4077","1480-3313"],"issn-type":[{"value":"0008-4077","type":"print"},{"value":"1480-3313","type":"electronic"}],"subject":[],"published":{"date-parts":[[1971,5,1]]}}}