Allison Guyot is an undersea volcanic mountain with a flat top in the
Mid-Pacific Mountains. West of Hawaii and northeast of the Marshall
Islands, it rises 1,500 metres (4,900 ft) above the seafloor to a
platform 35 by 70 kilometres (22 mi × 43 mi) wide. It was probably
formed by a hotspot before plate tectonics moved it north to its
present-day location. Radiometric dating puts the formation of a
volcanic island at around 111 to 85 million years ago. The island was
eventually buried, forming an atoll-like structure and a carbonate
platform. The platform emerged above sea level at some time in the
Albian or Turonian ages before eventually drowning about 99 million
years ago for unknown reasons; it is possible that the emergence damaged
its reefs. After a hiatus lasting until the Paleocene, pelagic
sedimentation deposited limestone, ooze and sand, which bear traces of
climatic events and ocean currents.
Read more: <https://en.wikipedia.org/wiki/Allison_Guyot>
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Today's selected anniversaries:
1807:
The Froberg mutiny at Fort Ricasoli in Malta came to a close
when the rebels blew up 600 barrels of gunpowder and escaped, although
they were later caught and executed.
<https://en.wikipedia.org/wiki/Froberg_mutiny>
1831:
Broughton Suspension Bridge in Manchester, England, collapsed,
reportedly because of mechanical resonance induced by troops marching in
step over the bridge.
<https://en.wikipedia.org/wiki/Broughton_Suspension_Bridge>
1910:
SMS Zrínyi, one of the last pre-dreadnoughts built by the
Austro-Hungarian Navy, was launched.
<https://en.wikipedia.org/wiki/SMS_Zr%C3%ADnyi>
1980:
Terry Fox, an athlete with an artificial leg, began running his
"Marathon of Hope" from St. John's, Newfoundland and Labrador, intending
to reach Vancouver, to raise funds for cancer research.
<https://en.wikipedia.org/wiki/Terry_Fox>
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Wiktionary's word of the day:
spraddle:
1. (transitive, Canada, Caribbean (West Indies), US) To spread apart
(the legs).
2. (transitive, Canada, Caribbean (West Indies), US) To spread apart
the legs of (someone or something).
3. (intransitive, Canada, Caribbean (West Indies), US) To lie, move, or
stand with legs spread.
<https://en.wiktionary.org/wiki/spraddle>
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Wikiquote quote of the day:
I honestly beleave it iz better tew know nothing than two know
what ain't so.
--Josh Billings
<https://en.wikiquote.org/wiki/Josh_Billings>
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