Did you know Michigan used to be a coral reef?!
I'm not kidding! Where you are sitting right now used to be an ocean 350 million years ago. If you have ever found a Petoskey, our state stone, then you have proof. Our state stone is actually fossilized coral from millions of years ago when Michigan was an ocean. At this time in history, called the Devonian Period, North America was not in the same place on Earth as it is now. Check out this website to see a map of the Western Hemisphere when Michigan was under water and what a Petoskey stone looks like:
http://www.statefossils.com/mi/mistone.html
If you really want to see something cool, check out this next website to see what kind of prehistoric fish lived in the ocean during the Devonian Period:
http://science.nationalgeographic.com/science/prehistoric-world/devonian.html
CHALLENGE QUESTION:
Write a story about the past experience of a Petoskey stone sitting on a beach right now in the Sleeping Bear Dunes waiting to be discovered by you on summer vacation. What was it before it became a Petoskey stone? What fish has it seen? How did change from a coral to a rock? Post your story as a comment here or draw a picture and write it on paper and save it to show me later! Or continue one of the stories I started with a few classes from Pinckney Elementary (see comments.)
posted by senorita Ruggero @ 7:21 PM
10 Comments:
Wow, I can't believe I have been waiting for someone to take me home for sooooooo long! I was born 300 million years ago as a coral in a reef in the ocean. I have seen some pretty weird looking prehistoric fish in my days and let me tell you about one time a shark almost bit me off the reef and bunch of my coral friends, too.
story started by senorita Rugger and Mrs Dickman's class, 4th PE
A long time ago (300 million years ago!), I was just a little piece of coral in the bottom of a reef in the ocean. Now I'm an old Petoskey stone waiting for someone to find me here on the beach.
senorita Ruggero and Mr. Mortenson's class, 4th, PE
A long time ago, 300 million years ago, we were just a little coral reef in the bottom of the ocean. Now I am a Petoskey stone on the beach waiting for someone to find me. Wait! I see someone coming now, in a pirate shirt! I wonder if I should be scared...oh, it says Pinckney Pirates, I heard they are nice. I was down in that coral reef for so long and now someone is finally coming for me! I hope he picks me up so I can tell him the story of how I got here.
story started by senorita Ruggero and Mrs. Kanerva/Golin's class, 3rd PE
So many years ago, 300 million, we were smaller than a baby's finger tip, we were coral! Over time, we became this Petoskey stone, the state stone of Michigan. Would you like to hear some of my stories about living in the coral reef where the state of Michigan is now?
started by senorita Ruggero and Mrs. Smith's class, 3rd PE
Yoyo Mrs.ruggero wher here to say HHHHHHHHHIIIIIII and to say what kind of creaters are the is the deep blue sea and will you bring us a gift I want a shark tooth this is madison from mrs.smith class and sophia from mrs smiths to see you later
A long time ago i was a butifuf coral reef and full of color but know i am just a pice of dried up coral with no color just plane wighte.Back in the ocean i saw a bunch of other creachers like sharkes,fish,and stingrays but know i do not see anything like that a lot of the time i see things like washed up seaweed.GROSS!I wish I was a butiful coral reef agian!
Hi! i just wanted to now how you are doing we miss you here in pinkeny i just wanted to now what sea creaters you have seen sam and holly and taylor from miss Dickman class.PE
I Was once a coral reef a very preety coral reef.Now I am a fossil some people find me but a lot of people don't.Emily 3rd grade Mrs.Allen's class.
I wish i was a coral reef on the sea.Sarah 1st grade mrs.harisins class
Was the water cold or warm when you went snorceling
Alexandra Mrs.North's class.
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