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Jim Lehane
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An Unconventional Paleontology PhD
An Unconventional Paleontology PhD

71 followers
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Geology Fun Fact - Birthstones
Geology Fun Fact Theory: Birthstones are minerals or gems.  Actuality: Only 11
of the 12 birthstones are minerals. Minerals are naturally occurring
substances with definite properties. The 12 th , pearls, are not
naturally occurring, they are...
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Geology Fun Fact - Concrete
Geology Fun Fact Theory: Concrete is a rock.  Actuality: Minerals are always considered naturally formed, whereas depending on the definition you look at, rocks don’t always have to be. So, in essence, sometimes concrete (and other non-natural rock/mineral ...
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Geology Fun Fact - Summer Heat
Geology Fun Fact Theory: It is warmer in the summer because we are closer to the
sun.  Actuality: Only the southern hemisphere is closer to the sun in
their summer (Dec-Mar). The northern hemisphere is actually further away
for theirs (Jun-Se...
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Geology Fun Fact - Deserts
Geology Fun Fact The only continent without a desert is Europe .  A desert is
determined by the amount of precipitation (less than ~10 inches a year),
not the temperature, and there is very little precipitation in Antarctica making
it the lar...
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Geology Fun Fact - The Oldest Rock on Earth
Geology Fun Facts What is the Age of the Oldest Rock on Earth?  The oldest rock on Earth is a granite protolith that has been dated to 4.03 Ga (billion years). There are reports of a possibly older rock (a faux-amphibolite) dated up to 4.28 Ga, but there is...
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Geology Fun Fact - Fossil Chalk
Here is an old series that I am in the process of updating: Geology Fun Facts Fossil Chalk Naturally forming chalk is actually made up of
millions of little fossils called coccoliths, which were the round “shells” of
phytoplankton (a type of marine micro-pl...
Geology Fun Fact - Fossil Chalk
Geology Fun Fact - Fossil Chalk
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Geology in Pop Culture - Reaper Man by Terry Pratchett
Recently I have been working my way through Terry Pratchett's Discworld series and I stumbled upon this reference to Evolution that I thought was perfect and I wanted to highlight here. The Discworld series is about a planet, which is in the shape of a disk...
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