Abstract
Research Article| August 01, 1964 VOID RATIOS AND BULK DENSITIES AS MEANS OF IDENTIFYING PLEISTOCENE TILLS DONALD J EASTERBROOK DONALD J EASTERBROOK DEPT. GEOLOGY, WESTERN WASHINGTON STATE COLLEGE, BELLINGHAM, WASH. Search for other works by this author on: GSW Google Scholar Author and Article Information DONALD J EASTERBROOK DEPT. GEOLOGY, WESTERN WASHINGTON STATE COLLEGE, BELLINGHAM, WASH. Publisher: Geological Society of America Received: 26 Nov 1963 First Online: 02 Mar 2017 Online ISSN: 1943-2674 Print ISSN: 0016-7606 Copyright © 1964, 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 (1964) 75 (8): 745–750. https://doi.org/10.1130/0016-7606(1964)75[745:VRABDA]2.0.CO;2 Article history Received: 26 Nov 1963 First Online: 02 Mar 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation DONALD J EASTERBROOK; VOID RATIOS AND BULK DENSITIES AS MEANS OF IDENTIFYING PLEISTOCENE TILLS. GSA Bulletin 1964;; 75 (8): 745–750. doi: https://doi.org/10.1130/0016-7606(1964)75[745:VRABDA]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 Distinguishing subglacial till from glaciomarine drift or similar till-like sediments is critical to understanding the late Pleistocene history of the Puget Lowland of Washington. Comparison of void ratios and bulk densities of glacial till and till-like sediments whose origin may be established by other criteria indicates that there are measureable differences related to degree of compaction. These differences may be used to determine whether or not a till-like sediment was deposited beneath glacial ice. Since both void ratio and bulk density depend on particle-size distribution as well as on degree of compaction, differences between till and other till-like sediments are significant only if the samples have similar particle-size distributions.Void ratios of till from the Puget Lowland are systematically lower than those of glaciomarine drift having similar lithologies, and bulk densities are higher. Although till-like sediments other than glaciomarine drift were not analyzed, the void ratio-bulk density methods should also apply to them. 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.
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