depositional structures

Question 1

fundamental unit in stratigrapphy

Answer 1

bed

Question 2

beds less than a cm

Answer 2

lamination

Question 3

massive and structure-less beds

Answer 3

massive beds

Question 4

ripples sediment travels from stoss to lee

Answer 4

current ripplrd

Question 5

deposition of seds on the stoss exceed than lee

Answer 5

climbing ripples

Question 6

long straight & assymetrical ripples

Answer 6

wave ripples

Question 7

convex upward stratification

Answer 7

hummocky-cross stratification

Question 8

formed in tidal areas, where current flows in the opposite direction

Answer 8

herringbone cross stratification

Question 9

bedform found in fluvial and other channeled environment

Answer 9

anti dunes

Question 10

elongated ridges connected to a mainland

Answer 10

spits

Question 11

ridge connects an island to a mainland

Answer 11

tombolo

Question 12

rdige that closes a bay

Answer 12

bay mouth bar

Question 13

low ridges of sand parallel to coasts

Answer 13

bars

Question 14

connects 2 large landmasses and separates 2 bodies of water

Answer 14

isthmus

Question 15

marked discontinuity

Answer 15

amalgamation surface

Question 16

fining upward bed

Answer 16

normal grading

Question 17

coarsening upward

Answer 17

reverse grading

Question 18

deposits of turbidity current

Answer 18

turbidites

Question 19

streamline leaves the bed

Answer 19

separation point

Question 20

streamline meets the bed

Answer 20

attachment point

Question 21

storm deposits

Answer 21

tempestites

Question 22

erosive bases

Answer 22

proximal

Question 23

finer grained laminated sands

Answer 23

distal