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A dolerite occurs in dikes and sills. These are dark, medium-grained igneous rocks that are typically containing olivine, plagioclase, and pyroxene.

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10y ago

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Is Dolerite Rock rough or smooth?

Dolerite is very rough.


Is dolerite magnetic?

Dolerite is not naturally magnetic. It does not possess magnetic properties on its own.


What is a dolerite dyke?

A dolerite dyke is a sheet-like igneous intrusion that cuts across the surrounding rock formations. It is composed mainly of medium-grained dolerite rock that solidified from magma that intruded into existing rock layers. Dolerite dikes are common in areas with volcanic activity or tectonic movement.


How was the Dolerite Ball used in Ancient Egypt?

It wuz used for pounding into a rock. the dolerite ball was very. very hard.


What is dolerite made out of?

Igneous Rock :)


Dolerite rock where?

Dolerite is a type of volcanic rock that is commonly found in dikes and sills. It is formed from the slow cooling of magma underground. Dolerite can be found in various regions around the world where there has been volcanic activity in the past.


What metamorphic rock is formed by dolerite?

hornblende


How does dolerite hills form?

Dolerite hills form from the cooling and solidification of magma that intrudes into existing rock layers and then crystallizes underground. Over time, erosion removes the overlying sedimentary rocks, exposing the more resistant dolerite, which typically manifests as rugged hills or outcrops. The process involves geological uplift and weathering, which contribute to the formation of distinctive topographies in areas where dolerite is prevalent.


What type of rocks are dolerite rocks?

Dolerite rocks are a type of igneous rocks (formed as a result of cooling of magma or lava). They are mafic (45-52% SiO2), and subvolcanic (formed within the earth's crust). Within this characterisation there is considerable variation. Please see the link.


What did egyptians use to pound through granite and limestone?

dolerite


Can light be seen through dolerite?

Light can pass through dolerite, although the amount of light that is transmitted will depend on the thickness and composition of the rock. Dolerite is a dark igneous rock that is typically fine-grained, so it may not be transparent but light can still penetrate it to some extent.


What are four igneous rocks?

The four I know of are: gabbro, basalt, peridotite, and dolerite.