2000-10-01 · Flaser bedding is a sedimentary structure characterized by alternating rippled sand and discontinuous mud layers created by the deposition of mud on previously existing sand ripples. Similarly, wavy bedding consists of alternating rippled sand and mud layers, but with thicker, more horizontally continuous mud layers than in flaser bedding ( Fig. 1 ) .

Starved ripple from the Devonian of Ohio, USA. (cross-section view) Three categories of bedforms occur in sand-deficient environments: 1) flaser bedding; 2) wavy bedding; 3) lenticular bedding. The three bedding styles are produced by interbedded muds (in the form of drapes) and sands (in the form of ripples). In nature, a continuum exists among these three bedforms. At the ends of the

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Flaser bedding

Litage; Support et informations. Site maintenu par le BRGM. Contactez nous 2019-10-01 · Flaser bedding would generally be coded as 5X3.5 in the Ferm classification. The second digit would depend on the type of sandstone (4=gray, 5=crystalline, 6=hard). Lenticular bedding would be coded as 3X3 and wavy bedding would be coded as 3X2.5. Flaser beds are a sedimentary, bi-directional, bedding pattern created when a sediment is exposed to intermittent flows, leading to alternating sand and mud layers.

Nov 30, 2019 Flow fluctuation is evidenced, for instance, by structures with heterolithic stratification – flaser, wavy to lenticular bedding. The occasional

A Dictionary of Earth Sciences A form of bedding, characterized by cross-laminations draped with silt or clay, which forms in environments where flow strengths fluctuate considerably, thus permitting the transport of sand in ripples, followed by low-energy periods when mud can drape the ripples. Flaser bedding is a sedimentary structure characterized by alternating rippled sand and discontinuous mud layers created by the deposition of mud on previously existing sand ripples. The various types of flaser bedding are simple flaser, bifurcated flaser, wavy flaser, and bifurcated wavy flaser. Simple flaser bedding is when the flasers do not contact one another and they are concave when the bed is upright.

Lenticular bedding is classified by its large quantities of mud relative to sand, whereas a flaser bed consists mostly of sand. The sand formations within the bedding display a 'lens-like' shape, giving the pattern its respected name. They are commonly found in high-energy environments such as the intertidal and supratidal zones.

FLASHER. FLASHY.

Image resistivity trend. Neutron. Density Sand.
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Flaser bedding, vertical section. Flaser beds are a sedimentary, bi-directional, bedding pattern created when a sediment is exposed to intermittent flows, leading to alternating sand and mud layers. While flaser beds typically form in tidal environments, they can (rarely) form in fluvial conditions - on point bars or in ephemeral streams. [1] 2021-03-31 · flaser bedding A form of heterolithic bedding characterized by cross-laminations draped with silt or clay. Flaser beds form in environments where flow strengths fluctuate considerably, thus permitting the transport of sand in ripples, followed by low-energy periods when mud can drape the ripples.

Flaser definition: a type of pattern or structure in sedimentary rock, caused by intermittent flows within | Meaning, pronunciation, translations and examples flaser bedding dan lenticular bedding, kondisi di mana aksi arus atau gelombang mengendapkan sand, berseling dengan kondisi kendurnya air untuk mengendapkan mud. dan adanya suplai sedimen.
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2015-09-14 · Estuarine Facies within Incised Valley Fill Systems, Mt. Garfield Formation, Book Cliffs, Colorado* Richard Bell1 and Diane Kamola2 . Search and Discovery Article #51143 (2015)**

While flaser beds typically form in tidal environments, they can (rarely) form in fluvial conditions - on point bars or in ephemeral streams. [1] 2021-03-31 · flaser bedding A form of heterolithic bedding characterized by cross-laminations draped with silt or clay.