Title | Collection Number And Name | Photo Number | ||
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1 |
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This pattern of cracking in the unconsolidated clays and silts from ancient Lake Bonneville is the result of shrinking upon drying. Geologic material may be considered as dynamic, not static, and may deform readily under stress. Deformation may damage or destroy structures placed upon this type of geologic material. | P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collection | p1274n073 |
2 |
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Another example of dynamic forces at work in the geologic environment: pressure ridges formed in the salt crust of Utah's Bonneville Salt Flats. These ridges grow and shrink seasonally. | P1274 Environmental Geology and Geologic Hazards in Utah Photograph Collection | p1274n074 |