You are a US citizen and: 1  You are a first time applicant age 18 or older. 2  OR your most recent U.S. Passport was issued when you were under age 16. 3  OR your previous U.S. passport was issued more than 15 years ago.
Cave formations are called speleothem, from the Greek word spelaion, cave and thema meaning deposit. Almost all of them are made of calcite, the crystal of calcium carbonate. Different minerals and different movements in the water account for an incredible variety of cave formations.
Granite Cave is a deep cave located within Route 106. This cave has three levels and gets darker as you go through it, requiring Flash. The basements only accessible if you use the Mach Bike.nside the cave, you will encounter Steven Stone and later Zinnia within the deep part of the cave on the first floor, where there are cave paintings showing Primal Groudon & Kyogre.