Comprised of 20 to 70 cm thick thinning and fining upward sequences.
A playa lake usuallycontains laminated mudstone.
Sedimentary successions are interpreted as having accumulated in a playa lake complex.
The playa lake depositional model for the three forks formation beatriz garcia fresca.
Upper regressive lake margin playa lake and mudflat deposits are light to dark gray silty mudstone to argillitic siltstone or very fine grained sandstone mostly thick bedded to massive with desiccation cracks intraformational breccias faint wavy laminations burrows euhedral pyrite grains and dolomite or calcite specks.
Mudcracks starved ripples are common.
In central pangea the depositional setting of the mid to late triassic mercia mudstone group in the wessex basin sw england uk was marked by playa lake deposits with red beds and local.
Een mudstone stone laminated tone mudstone d d stone trix d b reccia red e 5.
Rare bioturbation palaeosols.
Laminate with horizontal bedding and vertical trace fossils.
Skeletal and oolitic grindstone cross bedding and ripple marks.
Red and green well laminated mudstone with very thin cm fine to medium grained sandstone layers.
A laminated siltstone and mudstone.
Deposition in distal terminal splay and shallow ephemeral playa lakes.
B current rippled cross laminated very.
Playa lake depositional environment modern hardie et al.
Sedimentary successions are interpreted as having accumulated in a playa lake complex.
Fine grained well sorted mudstone to packstone.
Flash cards for geol 221 history of the earth with heck at ferris state fsu.
The facies is divided into two subfacies that are gradational.
Alluvial fan glacier lake lacustrine meandering stream fluvial desert eolian playa.
A moderately diverse arthropod icnofauna occurs in permian ephemeral lacustrine deposits of the paganzo basin that crop out at bordo atravesado cuesta de miranda western argentina.
A laminated siltstone and mudstone.
Upper regressive lake margin playa lake and mudflat deposits are light to dark gray silty mudstone to argillitic siltstone or very fine grained sandstone mostly thick bedded to massive with desiccation cracks intraformational breccias faint wavy laminations burrows euhedral pyrite grains and dolomite or calcite specks.
B current rippled cross.
Ripple and horizontally laminated mudstone clayey siltstone and very fine to fine grained sandstone in beds 0 1 to 0 5 m thick.
