What is granite? Igneous rock
Granite rock What is granite? Granite forms when bits of quartz and feldspar shoot out of volcanoes, so it's one kind of igneous rock. What is quartz? Where does feldspar [...]
Granite rock What is granite? Granite forms when bits of quartz and feldspar shoot out of volcanoes, so it's one kind of igneous rock. What is quartz? Where does feldspar [...]
A feldspar rock quarry in India Is feldspar rare? Feldspar is a very common igneous rock. More than half of the Earth's crust is made of feldspar. What are igneous [...]
Queens borough public library, New York City To see the different kinds of rocks for yourself, take a walk around your town. Can you find examples of granite, limestone, slate, [...]
Where does basalt come from? Basalt is a fine-grained, hard rock that forms when bits of lava shoot out of volcanoes, so it's one kind of igneous rock. Igneous rocks Volcanoes All [...]
Rocky Mountains The Rocky Mountains stretch all the way from the southern United States north into Canada. They through Utah, Colorado, Wyoming, Montana, and up into Alberta. What we call [...]
Himalaya Mountains India breaks off of Africa About 55 million years ago, plate tectonics made the land that is now India break off from what is now Africa. At this [...]
Up in the Alps in Switzerland Which mountains are the highest in the world? Practice graphing and see how much higher some mountain chains are than others. The highest peaks [...]
The Appalachian Mountains When did the Appalachian Mountains form? About 300 million years ago, near the end of the Carboniferous period, when the first reptiles were evolving, the tectonic plates [...]
The Andes mountains run down the Pacific side of South America When did the Andes form? About 199 million years ago, near the beginning of the Jurassic period, was the [...]
The Alps Where are the Alps? The Alps are a long row of mountains dividing southern Europe from northern Europe. France and Germany are on one side of the Alps, [...]