View
235
Download
0
Category
Preview:
DESCRIPTION
Kriteria sesar, teknik geologi UPN
Citation preview
CRITERIA FOR FAULTINGCRITERIA FOR FAULTING
Criteria for faulting
• Slickensided and striated fault surfaces• Visible displacement of veins, dikes, strata,, etc,
on opposite sides of an exposed fault line• Zone of breccia• Drag• Repetition of strata• Omission of strata• Offset, with or without gap or overlap• Abrupt termination of structures along their trend
Lahee (1961, p 246)
Criteria for faulting
• Discontinuity of structures
• Repetition and omission of strata
• Features characteristic od fault planes
• Silicification and mineralization
• Differences in sedimentary facies
• Physiographic criteria
Recommended