Stratigraphy and Steno's Laws

Question 1

What are the characteristics of debris flows?

Answer 1

• alluvial fans

Question 2

Pebble cliffs characteristics

Answer 2

red rocks, 1/2 m beds, quartzite/limestone/granite/gneiss pebbles

Question 3

Phillips road characteristics

Answer 3

angular clasts, limestone, granitic gneiss, indistinct bedding

Question 4

What do landslide deposits look like?

Answer 4

• mixed up mess
• no stratification
• not much bedding
• close to their origin (where the hillslope failed)
• big boulders stuck at side

Question 5

What are the characteristics of creeps?

Question 6

What is the law of superposition?

Answer 6

younger layers sit on top of older layers of rock

Question 7

What is the law of original horizontality?

Answer 7

beds are deposited in horizontal orientations

Question 8

What causes tilting?

Answer 8

something happened after being deposited horizontally

Question 9

What is the law of lateral continuity?

Answer 9

Beds go on for large areas (km)