甲· a8。嚣"● ●:∵ 88 B C D Determination of the top and bottom surfaces from graded bedding
Determination of the top and bottom surfaces from graded bedding
A C Determination of the top and bottom surfaces from cross-bedding
Determination of the top and bottom surfaces from cross-bedding
西 b 东 熔岩 砂岩 ° 砾岩 页岩 Determination of the top surfaces of the beds from the scour surfaces
Determination of the top surfaces of the beds from the scour surfaces
K featheredge J3 TE P J3 K K--Cretaceous P J— Jurassic T-Triassic P P— Permian ▲K 十+1 y—Gr granite Parallel unconformity, Angular Unconformity
Parallel unconformity, Angular Unconformity Feather edge K—Cretaceous J —Jurassic T—Triassic P— Permian — Granite
chaPTER 3 ATTITUDE OF PLANES AND LINES
CHAPTER 3 ATTITUDE OF PLANES AND LINES
Planar and Linear features Planes Lines Bedding 1) Elongate minerals 2) Cleavage 2) Intersection of 2 3)Joints 4) Faults planes 3) Striae on fault surface
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
Horizontal Beds
nclined Beds
Inclined Beds
EA影 UBA GO SHA PROVINCE
CLEAVAGE IN DONGGOUBA GOLD DEPOSIT, SHAANXI PROVINCE
STRIKE-SLIP FAULT. NEVADA Photo: Martin Miller U of oregon
STRIKE-SLIP FAULT, NEVADA Photo: Martin Miller, U of Oregon