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Chlorastrolite occurs as amygdaloid structures and fracture fillings in basalt, and when the water and wave action has worn away the basalt, they are found as beach pebbles and granules in loose sediments. It is found in the Keweenaw Peninsula of the Upper Peninsula of Michigan and Isle Royale in Lake Superior. Isle Royale is a National Park ...
Fossil shark spines found in Michigan are usually the remains of ctenacanths and cladodonts. Bradyodont shark teeth have also been discovered in Michigan, however, it's also possible that these teeth were shed by animals more closely related to holocephalans than true sharks. [6] Tabulate and tetra- corals disappeared from Michigan during the ...
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 ...
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Larimar is the tradename for a rare blue variety of the silicate mineral pectolite found only in Dominican Republic, around the city of Barahona. [4] Its coloration varies from bluish white, light-blue, light-green, green-blue, turquoise blue, turquoise green, turquoise blue-green, deep green, dark green, to deep blue, dark blue and purple, violet and indigo and the larimar can come in many ...
The snowy rollers are a somewhat unusual weather phenomenon, said Megan Varcie, a meteorologist with the National Weather Service in White Lake, Mich. Rare snow doughnuts, a unique phenomenon ...
Weather. 24/7 Help. For premium support please call: ... An active search is underway for a 66-year-old Michigan woman who went missing during a trip to the Grand Canyon more than a week ago ...
Here is where the candidates stand in the key blue wall states of Pennsylvania, Michigan and Wisconsin a week away from Election Day, Nov. 5. Election 2024 live updates: Dems respond to Biden ...