Geologists taking mineral samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Geologists taking mineral samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Geologists taking minerals samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Lava Fountain, 1969

Harrison Hagan Schmitt

Harrison Hagan Schmitt

Gold Diggers Museum, German geologist Kaspar von Wuthenau runs a jewelry stall in Gold Diggers Village, Tankavaara, Finland

German geologist Kaspar von Wuthenau runs a jewelry stand in gold mining village, Tankavaara, Finland

Person On Top Of Rocky Peak