Stages of Pumice Rocks?

Answer Pumice rocks are a type of igneous rock that goes through a number of different stages in its cycle. While there are a number of different types of igneous rock, pumice has a unique makeup as to ho... Read More »

Top Q&A For: Stages of Pumice Rocks

Are there pumice rocks in Colorado?

There are pumice rocks in Colorado. At the fossil beds in Florissant, Colorado, for example, pumice can be found in the majority of the newest rock and sediment layers. These layers of rock make up... Read More »

Are pumice rocks intrusive or extrusive?

Pumice is a type of intrusive rock. It begins life as granitic lava that cools very quickly, becoming pumice. Most pumice is formed in eruptions that have high gas content, causing the pumice to ha... Read More »

Can I use a household drill on polished quartz rocks, sunstones, and sodalite rocks?

You'll need a diamond drill bit, something to pour water over the stone while you drill to keep the bit cool, and some sort of jig to hold the stone in place while you drill.

Is subsoil mostly made of solar energy or petroleum or small rocks or solid rocks?

Subsoil, or the “B” horizon (layer) of soil, lies directly below the topsoil, or “A” horizon. Lying at least 8 inches below the surface, subsoil contains less humus--decayed plant and anima... Read More »