Bimodal Distribution of pH Values of Thermal Springs of the World

Research Article| May 01, 1971 Bimodal Distribution of pH Values of Thermal Springs of the World THOMAS D BROCK THOMAS D BROCK Department of Microbiology, Indiana University, Bloomington, Indiana 47401 Search for other works by this author on: GSW Google Scholar Author and Article Information THOMAS D BROCK Department of Microbiology, Indiana University, Bloomington, Indiana 47401 Publisher: Geological Society of America Received: 21 Dec 1970 First Online: 02 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Copyright © 1971, The Geological Society of America, Inc. Copyright is not claimed on any material prepared by U.S. government employees within the scope of their employment. GSA Bulletin (1971) 82 (5): 1393–1394. https://doi.org/10.1130/0016-7606(1971)82[1393:BDOPVO]2.0.CO;2 Article history Received: 21 Dec 1970 First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Permissions Search Site Citation THOMAS D BROCK; Bimodal Distribution of pH Values of Thermal Springs of the World. GSA Bulletin 1971;; 82 (5): 1393–1394. doi: https://doi.org/10.1130/0016-7606(1971)82[1393:BDOPVO]2.0.CO;2 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyGSA Bulletin Search Advanced Search Abstract Frequencies of thermal springs of various pH values are given for the main thermal areas in Yellowstone Park, other parts of the western United States, New Zealand, and Iceland. A bimodal distribution curve was obtained for many springs with pH values of 2-4 and 7-9 but relatively few in between. These data provide quantitative evidence for the existence of two main kinds of thermal springs: acid sulfate and neutral bicarbonate. This content is PDF only. Please click on the PDF icon to access. First Page Preview Close Modal You do not have access to this content, please speak to your institutional administrator if you feel you should have access.