文档介绍：Determination of the top and bottom surfaces from graded bedding
Determination of the top and bottom surfaces from cross-bedding
Determination of the top surfaces of the beds from the scour surfaces
Parallel unconformity, Angular Unconformity
Feather edge
K—Cretaceous
J —Jurassic
T—Triassic
P— Permian
— Granite
CHAPTER 3
ATTITUDE OF PLANES AND LINES
Planar and Linear Features
Planes
1) Bedding
2) Cleavage
3) Joints
4) Faults
Lines
1) Elongate minerals
2) Intersection of 2
planes
3) Striae on fault surface
Horizontal Beds
CLEAVAGE IN DONGGOUBA GOLD DEPOSIT, SHAANXI PROVINCE
STRIKE-SLIP FAULT, NEVADA
Photo: Martin Miller, U of Oregon