Showing posts with label friday. Show all posts
Showing posts with label friday. Show all posts

Friday, April 17, 2009

It's Fossil Friday #11

Another purchased Knightia specimen. Oh, and thanks to the information provided by one kind commenter, next Friday, I will initiate a brief Fish Knife Friday redux! Thanks to Lisa Kadonaga of BC, Canada for turning me on to an online supplier of reasonably priced fish knives. More on that later...

Friday, April 10, 2009

It's Fossil Friday #10


This one is not much to look at, but it represents a fossil in the making. This is the umbos and hinge of a bivalve mollusk, found on the shores of Ocean City, MD. The shell is nearly, but not completely mineralized, and the void is filled with packed mud that is nearly completely cemented and almost, but not quite, rock.

Friday, April 3, 2009

It's Fossil Friday #9

This is a fossil oyster from the Chesapeake and Delaware Canal deposits. I think its from the genus Ostrea, but I forget...

Friday, March 27, 2009

It's Fossil Friday #8


These little bits found on the beach near Calvert Cliffs, Maryland are reportedly the plate-like teeth of a long gone skate or stingray. I'm not sure about that myself, but it's plausible.

Friday, March 20, 2009

It's Fossil Firday #7


These are obviously (if you've ever spent time on a trawl survey boat, anyway) parts of crab chelae (i.e., upper claws). They were found at Calvert Cliffs, Maryland.

Friday, March 13, 2009

It's Fossil Friday #6


Another find from the C&D Canal area, this is a scallop shell (barely visible on the bottom of the formation) with some "mega barnacle" shells on top. The size of the barnacles is such that a U.S. penny would easily fit into the shell one....

Friday, March 6, 2009

It's Fossil Friday #5

Here's a scallop shell in rock matrix. If you look closely, you'll see other shell bits in the matrix, too. This one came from a Chesapeake Bay beach in Maryland.

Friday, February 27, 2009

It's Fossil Friday #4


I know it's hard to tell from this image, but this is a chunk of fossilized wood (i.e. "petrified"). It was found near my home in Townsend, DE while a friend was digging a pond, And you thought petrified wood was an artifact of the desert....

Friday, February 20, 2009

It's Fossil Friday #3!


These are assorted shark teeth from Calvert Cliffs, MD. These are a dime a dozen, or cheaper, in the surf zone of this area of the Chesapeake Bay (although the guy at the entrance of one park in the area is happily selling them for a buck apiece). If you go, stay away from the cliffs from which these fossils and others erode - they are unstable and could collapse. I recommend getting in the water when it's relatively clear and snorkeling the 1 - 2 foot trough within 10 feet of shore - for some reason these teeth accumulate there and they are visible due to their high contrast against the sand and shells.

Friday, February 13, 2009

It's Fossil Friday #2

These bullet-like fossils are called belemnites. They are the inner 'skeleton' of ancient squid-like mollusks. These are from the Chesapeake and Delaware Canal in Delaware, and are Delaware's "State Fossil". These fossils abound along the C&D Canal - if you know where to look. There's one particular trove of them less than a mile from a seedy bar full of seedy guys who couldn't give two shits about fossils. If you go to the Canal for belemnites, be sure to stop in for some beers.

Friday, February 6, 2009

It's Fossil Friday #1!


Shut up. It starts with "F".

I decided to make Fridays fossil days, since I'm shit out of fish knives. Plus, I have a few fossils. Now, I'm no paleontologist, nor do I want to be. Most of my fossils come from fairly local sources like the Chesapeake and Delaware Canal or Calvert Cliffs, MD. With that said, I decided to start the series with a purchased piece that was given to me a gift. I have no idea where this was collected, so it's contextual value is zero. However, as a fisheries biologist, this piece is fascinating. Plus, it's a fish.

The fossilized genus here is Knightia, which is very similar in many respects (size, shape, etc.) to modern herring; species that I have extensive experience handling. The similarities through time are compelling, and fossils like these only go to show the absolutely powerful process of evolution.

I'll get to some local fossils next time....

Friday, January 16, 2009

It's Fish Knife Friday #20


This is the last fish knife that I have (at present). I'll need to think up some other gimmick for Fridays if this is to continue.

Friday, January 9, 2009

It's Fish Knife Friday #19


And, at the time of this writing, only have 19 fish knives. This is why next week will be my last Fish Knife Friday unless I get some more!

"Wait", I can hear you say. "If you only have 19, and this is the 19th post, how can next week be the last Fish Knife Friday"?.

You're quite clever for working that out. The reason, good reader, is that I inadvertently posted a fish knife twice. If you're the first figure out which one, I might even give you something.

Friday, January 2, 2009

Friday, December 26, 2008

It's Fish Knife Friday #17


This one's a bit chunky and crude...

Friday, December 19, 2008

It's Fish Knife Friday #16


16 weeks and still at it. And a few more fish knives to go!

Friday, December 12, 2008

It's Fish Knife Friday #15


Yup. It really is.

Friday, December 5, 2008

It's Fish Knife Friday #14


See? I told you so...

Friday, November 28, 2008

It's Fish Knife Friday #13!

After yesterday's lapse into laziness, here's your regularly scheduled fish knife:

This one's a steel handled affair...

Thursday, November 27, 2008

Bonus Fish Knife Friday (on Thursday)!

Because I can't be bothered!
Happy Turkey Day!