Regional-scale subsurface sand remobilization: geometry and architecture

Mario Vigorito, Andrew Hurst, Joe Cartwright, Anthony Scott

Research output: Contribution to journalArticle

52 Citations (Scopus)

Abstract

An architectural hierarchy of elastic sills is recognized in the Panoche Giant Injection Complex in which staggered, stepped with erosive top surfaces, and multi-layered geometries occur in that stratigraphic order upward. Genetic relationships between parent depositional sand bodies, the sand injections, a zone of hydraulic fracture and a palaeo sea floor are seen at a scale previously observed only by using seismic data. Sills and randomly oriented dykes intrude into a hydraulically fractured shale unit above and below which dykes predominate. Erosive surfaces (scallops) are identified on sills that, along with smaller erosional features, record low-viscosity turbulent flow during sand injection. Sand extrusions occur where dykes reach the palaeo sea floor.

Original languageEnglish
Pages (from-to)609-612
Number of pages4
JournalJournal of the Geological Society
Volume165
Issue number3
DOIs
Publication statusPublished - May 2008

Keywords

  • sandstone intrusions
  • North-Sea
  • California
  • migration
  • injection

Cite this

Regional-scale subsurface sand remobilization : geometry and architecture. / Vigorito, Mario; Hurst, Andrew; Cartwright, Joe; Scott, Anthony.

In: Journal of the Geological Society , Vol. 165, No. 3, 05.2008, p. 609-612.

Research output: Contribution to journalArticle

Vigorito, Mario ; Hurst, Andrew ; Cartwright, Joe ; Scott, Anthony. / Regional-scale subsurface sand remobilization : geometry and architecture. In: Journal of the Geological Society . 2008 ; Vol. 165, No. 3. pp. 609-612.
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