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Cross-beds are horizontal units that are internally comprised of inclined layers. It is a sedimentary structure that forms during deposition on the inclined surfaces of bedforms.

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Is a dike part of a sedimentary structure?

No it is a primary igneous structure


Is a cross bed sedimentary structure?

Cross-beds are horizontal units that are internally comprised of inclined layers. It is a sedimentary structure that forms during deposition on the inclined surfaces of bedforms.


What type of sedimentary rock is impermeable?

Shale is the type of sedimentary rock that is impermeable.


Is Magma emplacement a sedimentary structure?

No, magma emplacement is not a sedimentary structure. It refers to the process of magma or molten rock moving and solidifying underground to form igneous rock bodies like plutons, dikes, or sills. Sedimentary structures are features that develop within sedimentary rocks, such as bedding, cross-bedding, or ripple marks.


Is a geode a rock?

A geode is a chemical sedimentary structure formed by mineral precipitation, similar to the way sedimentary cave structures are formed.


Which of the following is NOT a sedimentary structure Ripple marks Magma emplacement Mud cracks or Cross beds?

Magma emplacements or Batholith are not sedimentary structures.


Sedimentary rocks are useful as records of past time because of .?

Their layered structure :)


Why there are no sedimentery rocks on earth crust?

The Earth's crust does have sedimentary rocks in it's structure - limestone, slate, chalk, are three examples of commonly found sedimentary rocks.


How does weight affect the way in which sedimentary form layers?

it depends of the structure and the way the rock is form


Is a geode a metamorphic rock?

No, a geode is not a metamorphic rock. Geodes are formed in sedimentary or igneous rocks and are cavities lined with mineral crystals. Metamorphic rocks are formed from existing rocks that undergo a transformation due to heat and pressure.


What can extreme pressure and temperature do to a sedimentary rock?

Extreme pressure and temperature can alter a sedimentary rock by causing it to metamorphose into a new rock type known as metamorphic rock. This can lead to changes in mineral composition, texture, and structure of the original sedimentary rock.


What is a palaeocollapse?

A palaeocollapse is a rock structure resembling the karst landform, but formed essentially by the dissolution of underlying sedimentary rock.

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