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  2. Chlorastrolite - Wikipedia

    en.wikipedia.org/wiki/Chlorastrolite

    Isle Royale is a National Park, and so it is illegal to collect specimens there. It is difficult to identify an unpolished pebble of chlorastrolite. Most gem quality chlorastrolite stones are very small, and it is rare to find one that is larger than a half inch. The largest gem quality stone is in the Smithsonian Museum and measures 1.5 by 3 ...

  3. Orepuki - Wikipedia

    en.wikipedia.org/wiki/Orepuki

    An array of old buildings still exist and currently the township supports a pub, a bowling green, a community hall, a church and a population of around 100 people. Orepuki Primary School closed in 2003. By 2014, Orepuki started undergoing a transformation with new houses being built and renovated and the opening of the Orepuki Beach Cafe .

  4. Geology of Ascension Island - Wikipedia

    en.wikipedia.org/wiki/Geology_of_Ascension_Island

    The Sister's Peak region in northwest Ascension has intermediate mafic lava flows, scoria cones and mafic ash fall deposits near Long Beach. The flows formed approximately 829,000 years ago and range between basalt, hawaiite and mugearite compositions. Benmoreite flows outcrop near Long Bay and west of Lady Hill. Additionally, benmoreite cinder ...

  5. 2,500-year-old shipwreck and anchors discovered off coast of ...

    www.aol.com/news/2-500-old-shipwreck-anchors...

    A shipwreck dating back to the 5th and 6th centuries B.C. was discovered near Sicily along with ancient anchors made from stone and iron, Italian officials said. The 2,500-year-old wreck was found ...

  6. Lake Superior agate - Wikipedia

    en.wikipedia.org/wiki/Lake_Superior_agate

    The Lake Superior agate was selected because the agate reflects many aspects of Minnesota. It was formed during lava eruptions that occurred in Minnesota about a billion years ago. [1] The stone's predominant red color comes from iron, a major Minnesota industrial mineral found extensively throughout the Iron Range region.

  7. Archaeologists Found a 500-Year-Old Compass—Turns Out It May ...

    www.aol.com/archaeologists-found-500-old-compass...

    Researchers discovered a 500-year-old compass in a hidden chamber in Frombork, Poland, possibly used by Copernicus, shedding light on his astronomical work.

  8. The 500-year-old wreckage used to carry the flag of a Scandinavian king. ... sank near Stora Ekön in 1495 after a fire broke out onboard, Stockholm University said in an April 18 news release ...

  9. Oldest dated rocks - Wikipedia

    en.wikipedia.org/wiki/Oldest_dated_rocks

    Researchers at McGill University found a rock with a very old model age for extraction from the mantle (3.8 to 4.28 billion years ago) in the Nuvvuagittuq greenstone belt on the coast of Hudson Bay, in northern Quebec; [2] the true age of these samples is still under debate, and they may actually be closer to 3.8 billion years old. [3]