Joint Analysis in Glen Canyon National Recreation Area.
Abstract
This report attempts to determine what information can be derived from joint patterns developed from air photo analysis of flat-lying sedimentary rocks. The area selected is in the Glen Canyon National Recreation Area along the San Juan River in southeastern Utah. Two types of analysis were undertaken on joint patterns; (1) an analysis of joint orientation depicted on rosette diagrams to determine stress patterns within the various rock units and to determine whether or not they change through time, and (2) an analysis of joint density in which joints were analyzed with a grid and then contoured in order to determine whether or not individual rock units have characteristic joint densities. The results indicated that rock units do have characteristic joint densities and orientations and that they can be differentiated on these bases.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 01, 1976
- Accession Number
- ADA033330
Entities
People
- Judy Ehlen
Organizations
- Geospatial Research Laboratory