Grand Canyon- South Rim- Northwestern Arizona

Grand Canyon- South Rim- Northwestern Arizona. Grand Canyon National Park is the United States’ 15th oldest national park. Named a UNESCO World Heritage Site in 1979.The park’s central feature is the Grand Canyon, a gorge of the Colorado River, which is...

Pliosauroidea Humerus bone cross section replaced by Pyrite

Pliosauroidea Humerus bone cross section replaced by Pyrite- Volga RIver, Village of Gorodishche, Ulyanovsk, Russia. 3.5″ across Pliosauroidea is an extinct clade of marine reptiles. Pliosauroids, also commonly known as pliosaurs, are known from the Jurassic and...

Petrified wood-Rhexoxylon

Petrified wood-Rhexoxylon- Zambezi river, near Gokwe Zimbabwe. Triassic Period: 251-199.6 Million Years Ago. 8.5″ x 7.5″ face. 13 inches long

Cuprite-

Cuprite- Great Australia Mine, Cloncurry District, Mount Isa, Cloncurry area, Queensland, Australia. 7 cm across