Search results
Results from the WOW.Com Content Network
Builders soon found that the stones were useful for more than just jewelry. The sand and stones became components of streets, sidewalks and foundations. It is believed that 10,000 loads [vague] of the stones were crushed and used in the foundation of the Southern California Edison plant built in Redondo Beach in 1907. [3]
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 ...
After the Llangernyw Yew was assessed by David Bellamy as 4,000 to 5,000 years old [15] "using all available data", and the Fortingall Yew, with its former 16 to 17-meter girth, [16] assessed as 5,000 years old, Methuselah may have lost claim to the title of world's oldest non-cloning tree, [17] though newer studies indicate a younger age ...
Before buying any old gem, though, keep reading to uncover the 25 most popular gemstones—and their meanings. Agate “Agate is earthy, warm and rich,” Salzer says, noting that it exists in ...
Exhibits include the crystalline gold Fricot Nugget, weighing 201 troy ounces (6.25 kg), the largest found during the California Gold Rush; a working scale model of a stamp mill over 100 years old, demonstrating the process of extracting gold from quartz rock; and a replica hard rock mine tunnel that allows visitors to better understand California's hard rock mines.
The 400-year-old tomb was sealed with a stone gatehouse and set of double doors, a photo shows. Inside the main burial chamber, archaeologists found two wooden coffins.
A family in San Carlos, California, is facing an impossible decision: spend more than $40,000 to remove a nearly 500-year-old heritage white oak tree in their backyard or find new homeowners ...
Cruickshank found five veins which milled at an average of $200 per ton. [8]: 84 During the first year of the mining district, 63 claims were recorded. In 1889 the Manchester Mine was dug about 60 feet (18 m) into the mountain; the Melville Mine had a tunnel about 110 feet (34 m) long. [9] Eventually around 500 claims existed.