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161:. In its most conspicuous form, such an interbedding as seen on a quarry wall can look like the stripes of a zebra: a dark gray marl layer, for example twenty centimeters thick, is followed by a half-meter-thick light limestone bench, which in turn is overlaid by a marl layer and this again by limestone and so on. Such evenly banded layers can consist of hundreds of alternating layers and can be several hundred meters thick.
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to an increase in sea depth and distance from the coast at the time of deposition at the corresponding deposit location. But these can cause alternations by recurring special events, such as the deposition of coarse turbidity current sediments on what would be otherwise be a quiet and continuously
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Interbedding often reflects a cyclical change in sedimentation conditions. Lime-marl interbeddings represent the cyclical detachment of a high carbonate production due to the stronger influence of the terrestrial background sedimentation, which is usually attributed
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While interbedding has layers that are horizontally flat (or aligned with the angle of the entire stratum), intercalated rock on the other hand has slanted layers that streak through each other (even when it aligns with the stratum). For example intercalated
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looks like ripples of different material networked through each other somewhat off the horizontal, as the beds are deposited in a gradient. This is likely due to differing
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Field Trip
Guidebook for the Eastern Section AAPG Annual Meeting, September 10, 2003 and the PAPG Spring Field Trip, May 26, 2004
201:"Trenton and Black River Carbonates in the Union Furnace Area of Blair and Huntingdon Counties, Pennsylvania : Introduction"
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is a special case of interbedding where a layer is variably inserted into an already existing sequence; or where two separate
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running background sedimentation. For example, a river that sees regular interrupts in the form of flash floods.
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Harper, John A.; Christopher D. Laughrey; Jaime
Kostelnik; David P. Gold; Arnold G. Doden (2004-05-26).
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Beds of a particular lithology that lie between or alternate with beds of a different lithology
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lie between or alternate with beds of a different lithology. For example,
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230:"Fig. 6. Intercalated conglomerates and sandstones (ICS), northern..."
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in close spatial proximity migrate alternately across the
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207:. Pennsylvania Geological Survey. Archived from
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189:ucmp.berkeley.edu Retrieved on- March 2008
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269:. You can help Knowledge by
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116:(Brigantian/Visean) age at
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95:depositional environments
261:This article related to
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53:Pleistocene Ice Age
167:sedimentologically
143:sediment transport
139:fluvial conditions
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114:Lower Carbonferous
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236:. Retrieved
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67:occurs when
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23:Interbedded
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118:Loughshinny
37:Precambrian
310:Categories
238:2019-12-22
215:2008-06-14
174:References
321:Petrology
263:petrology
159:limestone
135:sandstone
110:turbidite
81:sea level
73:lithology
41:Minnesota
29:siltstone
25:graywacke
149:Features
49:striated
99:contact
61:geology
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
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