erosional sedimentary structures Flashcards
small scale erosional features on the bed
sole marks
marks on bed resulted by turbulence
scour marks
elongated welsts/ridges
flute marks
horshoe/crescent shaped groove
obstacle scour
marks formed by objects carried by water
tool marks
narrow, straight, elongated marks
grooves
marks produced by high angle impacts
prod marks
marks produced by saltating movements
skip marks
marks produced by low angle impacts on the bed
bounce mark
linear strip of stacked V-shaped marks
chevron marks
isolated elongated ridges on soles of bed
gutter cats
small scale dendritic channels
rill marks
small crater like pits
raindrop imprints
land that sticks out into the sea
headland
caves formed by wave action
sea caves
natural opening in the cliffs
sea arch
blocks of erosion resistant rocks
sea stack
honeycomb structure in rocks, butas butas
tafoni
small depressions on he rocky beds of river valleys
potholes
rock na mukhang mushroom tapos maliit ang base
pedestal rock
depressions caused by sands carried in the wind
deflation hollows
springs in the middle of a dessert
oasis
mound of sand formed by wind
sand dunes
low ridges of soft rock carved by wind and sand
yardangs
desert floor covered by rocks
desert pavement
ventifacts
stone shaped by erosive action of windblown sand
