Origin and evolution of rock fans and pediments

Research Article| June 30, 1935 Origin and evolution of rock fans and pediments JOHN L. RICH JOHN L. RICH Search for other works by this author on: GSW Google Scholar Author and Article Information JOHN L. RICH Publisher: Geological Society of America Received: 01 Feb 1934 First Online: 02 Mar 2017 Online Issn: 1943-2674 Print Issn: 0016-7606 © 1935 Geological Society of America GSA Bulletin (1935) 46 (6): 999–1024. https://doi.org/10.1130/GSAB-46-999 Article history Received: 01 Feb 1934 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 JOHN L. RICH; Origin and evolution of rock fans and pediments. GSA Bulletin 1935;; 46 (6): 999–1024. doi: https://doi.org/10.1130/GSAB-46-999 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 INTRODUCTIONTHE PROBLEM: REVIEW OF EARLIER WORKThe physiography of the arid lands of the Great Basin and of the open basins south of it, stretching across Arizona into Sonora, Mexico, early attracted attention. The casual observer gains an impression of scattered mountain ranges buried beneath the products of their own disintegration which, in the form of great alluvial fans and aprons, seem to slope away in all directions toward the playa flats of the intermont basins.To some of the early explorers it came as a great surprise to discover that in many instances what appeared to be alluvial fans and slopes were, in reality, rock surfaces only thinly veneered with waste, or even quite bare. These had the shapes of alluvial fans or aprons, but were floored by rock.Gilbert1 was one of the first to describe such features, which are well developed around the base of the . . . 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.