Backpack Explorer: Rock Hunt Activity Book mom Tree-like branches of inky black

Tree-like branches of inky black reach across this cloudy slab

about 150 million years ago

and a variety of pollinating plants

Brucite with such saturated color is almost unheard of in any color

Backpack Explorer: Rock Hunt Activity Book mom Tree-like branches of inky blackThis rock themed addition to the best selling Backpack Explorer series gets budding geologists outside to learn about rocks, minerals, land. Learn basic geology, with facts about landforms and igneous, sedimentary, and metamorphic rocks. Create a rock collection, sorted by color, shape, texture, and size. Search for rocks and minerals and learn how to classify them. Backpack Explorer: Rock Hunt is packed with fun features, including: 50 stickers 12