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The stone tools of these industries, along with preforms, lithic core, technical flakes, and pieces of angular debitage, mainly of chalcedony, are found on and in late middle Pleistocene-age fanglomerates and younger inset alluvial terraces in the Calico Hills (also known as the Yermo Hills) east of the Calico Peaks and the Calico Mountains.
Jade Cove is located in the southern area of Big Sur on the California central coast. [1] It contains the only concentrated underwater deposit of quality nephrite jade in the world. [2] Individuals are permitted to collect as much jade as they can personally carry using hand tools up to 90 feet (27 m) deep offshore.
Malakoff Diggins State Historic Park is a state park unit preserving Malakoff Diggins, the largest hydraulic mining site in California, United States.The mine was one of several hydraulic mining sites at the center of the 1882 landmark case Woodruff v.
In 1986, California named benitoite as its state gemstone, a form of the mineral barium titanium silicate that is unique to the Golden State and only found in gem quality in San Benito County. [ 80 ] ^ Colorado is the only state whose geological symbols reflect the national flag's colors: red (rhodochrosite), white (yule marble), and blue ...
Crystal Cave is a marble karst cave within Sequoia National Park, in the western Sierra Nevada of California. It is one of at least 240 known caves in Sequoia National Park but the only one accessible to the public. Crystal Cave is in the Giant Forest area, between the Ash Mountain entrance of the park and the Giant Forest museum.
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AUBURN — A 15-year-old boy was rescued from a Northern California mine shaft, officials said Monday. It happened in the Placer County city of Auburn near China Bar in the Auburn State Recreation ...
According to a California tourism guide, “You enter the limestone caverns at an altitude of 4,300 feet (1,300 m) about 1,000 feet (300 m) above the desert floor. The higher view of the desert from the Visitor Center is magnificent…Not too spacious, these chambers contain strangely beautiful cave coral, stalactites, and stalagmites.” [ 5 ]