answersLogoWhite

0

The weight of a sample of lava can be very heavy (dense), or it can be porous, such as pumice. The rock itself is heavier than water, but if there are trapped air spaces with the rock, the average density can be less than that of water (it could float).

User Avatar

Wiki User

8y ago

What else can I help you with?

Related Questions

Are all black rocks lava lava rocks?

no, there are more rocks


How much does a 1 cubic yard of lava rocks weight?

Approximately 2,700 pounds on average.


Can lava rocks destroy a whole town?

Lava is a liquid, not rocks.


How do you get rid of algae?

Black light, Lava rocks, Running the filter, Getting a algae fish


Is it true that magma that is low in silica usually forms light colored rocks?

Magma doesn't produce lava. Magma is lava. Magma is called magma when it is under the ground but when it is released via a volcano it is called lava when it is above ground. The magma or lava can produce dark to light color rocks after it cools depending on the composition of the magma or lava. There is also a range in the color of the lava depending on it composition and temperature also.


Where are rocks came from?

when lava emerges on out of mountain then the molten lava cool to form rocks.


Where are the lava rocks on Petpet Park?

I think the lava rocks are in the volcano on Mt. Puka.


How extrusive rocks form?

extrusive rocks can form from Basaltic Lava and Andesitic Lava. :)


Why aren't igneous rocks affected by lava?

Igneous rocks aren't affected by lava because they are made of cooled lava.


Does a composite volcano have a mixture of both heavy and light rocks?

A composite volcano is called composite because it has alternating layers of lava and ash, formed by quiet lava flow after explosive eruptions. But yeah, it's definitely made up of both heavy and light rocks !!


What is the name given to the molten rock which flows from a volcano?

The molten rock that flows from a volcano is called lava.


What rocks are formed after lava dries out?

Igneous rocks are formed from the cooling and solidification of magma or lava.