Sedimentary Rocks

Sedimentary rocks are formed in rivers, lakes, oceans or deserts.

Our Rock Cycle Kit is Fun and Educational

The Rock Cycle Kit™ is our newest kit. It has has 20 samples of rocks and minerals including five minerals, five igneous rocks, five metamorphic rocks and five sedimentary rocks. The kit also includes a CD PDF eBook with over 30 pages of information and activities about minerals, rocks and how the rock cycle affects our Earth.

The Rock Cycle Kit has Arrived!

The Rock Cycle Kit™ is Mini Me Geology’s newest kit which has 20 great samples of rocks and minerals. You will enjoy 5 minerals, 5 igneous rocks, 5 metamorphic rocks and 5 sedimentary rocks and a CD book full of information about how the rock cycle is constantly in motion.

Rock Salt or Halite – It’s one Great Mineral

Salt is a common evaporite mineral that exists around the world and is often called halite or rock salt. The mineral is very soft in relation to other minerals and can form nice crystal shapes.

Biotite has arrived!

We are excited to offer the mineral biotite on our website now. Biotite is a common mica mineral that is black to brownish-black in color.

The neatest rocks you probably don’t know much about

I love metamorphic rocks. To think that each of these rocks once was a different rock and just because of some really high heat and squeezing, they became something new is really cool! Here are some details on our My Rockin’ Collection Metamorphic Rocks kit. I think you’ll agree that these rocks are cool.

New Ask-a-Geologist Question: Metamorphic Foliation

Question: What term is used for metamorphic rock with banded texture?

Today’s Ask-a-Geologist Question: Banded Textures

Question: What term for metamorphic rock with banded texture?

Arkose – Beautiful Sedimentary Rock

Arkose is a beautiful sedimentary rock that is typically gray, pink or red. This coarse-grained rock forms when igneous rocks break apart and the pieces travel to a river, lake or ocean.

Metamorphic Rocks

The rocks that make up our Earth are constantly moving and changing.  The three types of rocks are igneous, sedimentary, and metamorphic.  A metamorphic rock is formed when a sedimentary or igneous rock changes form because the temperature or pressure changes.  This change typically happens over time when the sedimentary or igneous rocks are buried [...]