cross-stratification

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• cross-stratification —    Arrangement of strata inclined at an angle to the main stratification. This is a general term having two subdivisions; cross bedding, in which the cross strata are thicker than 1 cm, and cross lamination, in which they are thinner than 1 cm. A …   Glossary of landform and geologic terms

• Hummocky cross-stratification — is a form of cross bedding usually formed by the action of storms. It takes the form of a pile of smiles , crosscutting the crescents below.While it is usually formed in marine settings by the action of storms, it may also be deposited in fluvial …   Wikipedia

• Cross-bedding — Crossbedding of sandstone near Mt. Carmel road, Zion Canyon, indicating wind action and sand dune formation prior to formation of rock (NPS photo by George A. Grant, 1929) …   Wikipedia

• cross-bedding —     a) Cross stratification in which the cross beds are more than 1 cm in thickness.     b) A cross bedded structure; a cross bed.    Compare: cross lamination.    GG …   Glossary of landform and geologic terms

• cross-lamination —     a) Cross stratification characterized by cross beds that are less than 1 cm in thickness.     b) A cross laminated structure; a cross lamina.    Compare: cross bedding.    GG …   Glossary of landform and geologic terms

• cross-bedded — cross bedding, n. /kraws bed id, kros /, adj. Geol. having irregular laminations, as strata of sandstone, inclining in various directions not coincident with the general stratification. [CROSS + bedded (see BED, ED2)] * * * …   Universalium

• cross|bed|ded — «KRS BEHD ihd, KROS », adjective. Geology. having an original lamination oblique to the main stratification …   Useful english dictionary

• cross|bed|ding — «KRS BEHD ihng, KROS », noun. Geology. apparent lines of stratification crossing the real ones; false bedding …   Useful english dictionary

• stratification — /strat euh fi kay sheuhn/, n. 1. the act or an instance of stratifying. 2. a stratified state or appearance: the stratification of ancient ruins from eight different periods. 3. Sociol. the hierarchical or vertical division of society according… …   Universalium

• cross-bedded — ˈ ̷ ̷| ̷ ̷ ̷ ̷ adjective Etymology: cross (V) : having minor beds or laminae lying oblique to the main beds of stratified rock cross bedded sandstone * * * cross bedding, n. /kraws bed id, kros /, adj. Geol. having irregular laminations …   Useful english dictionary

• cross-bedding — n. Geol. lines of stratification crossing the main rock strata. Also called false bedding. * * * cross bedding, belt see cross B …   Useful english dictionary