I found a dinosaur skull burried in sandstone, what is a find like this worth, if anything?
488840
Your find worth a whole lot to a paleontologist or a geologist or to a museum. \nPlease be responsible with your country's natural treasures and visit the USGS or your nearest university (geoscience department) to protect your find from irresponsible handling. \nIf the skeleton is complete it has an immense value. If you act responsibly you may be cited in local newspapers or even in prestigious scientific journals. This is worth a lot more than the few tens of dollars you can get by selling it.
1083417
I wouldn't offer it for sale until I had some idea of it's value.  The Internet is a marvelous thing, see if you can find a board where collectors gather or contact an appraiser.  After you gain some knowledge you may want to contact the Nixon Presidential library, or try ebay.
503839
My dad used to work at a planetarium and in the gift shop they claimed to sell aquatic "dinosaurs". They were in fact really weird trilobite things. One of them outlived all the others and was like 3 inches long. It was the creepiest thing I ever saw. Maybe they should start mass marketing those instead of the Sea Monkeys. They're far more impressive.
121137
There are sevaral ways of finding microfossils. \n\nIf the sample is a limestone or similar material it can be dropped in acid and left for a few weeks. That will dissolve the limestone and leave the fossils. Then some lab monkey will spend weeks looking at the grit that is left under a dissecting microscope amicroscope with a pair of tweezers. I kid you not. Slowly separating out fossils from garbage.\n\nThe other way to process rock is to slice it cleanly and put the entire spcimen under the micorscope. When a fossil is spotted it can be either maked for later chemical extraction or very gently chipped out.\n\nThe other technique is to collect sediments such as clay or sand and seive them to remove unwanted material. The it's back to the dissection microcope with the tweezers to sort out the rubbish.
903063
About 15 bucks. Have it appraised
352640
Greetings,\n\nSedimentary rocks have many uses.\n\n1.  Fossils are found in sedimentary rocks.  By analyzing the composition and age of the rock they are able to determine when the animal that made the fossil lived.\n\n2. Limestone and sandstone are two kinds of sedimtary rocks.  If you've ever drank from a cool crisp mountain stream you've probably drank water filtered through limestone or sandstone.\n\n3. Visit the badlands of North or South Dakota in the U.S. and you'll see sedimtary rock of immense beauty.\n\nThere are more uses I'm sure, but I'm supposed to be working.  Good luck with your question.\n\n-matt
965181
You should go to an university to check that out. Ask for the geology department and ask for a paleontologist, he(she) will help you out.\nI am no expert on this but it looks more like a type of crab, trilobites the head tend to be preserved more easily than the tail. It seems that you can carve the fossil out that will help, but ask a paleontologist first.
1092991
Try a museum of natural science.  You can find all kinds of fossils there.
393786
If it's a proof, or in mint condition, or is a "mistake" (ie, double-struck, half-struck, etc) then it would be valuable.  If its a regular circulated coin its only going to be worth face value.  To be sure, try taking it to a coin collector/dealer and asking them to tell you what its worth.  Or find a pricing guide in your local library (the official pricing guide is called a red book).
718893
E-bay\nDo you have a lot of it, are they sculptures or is it raw?\nOpen a my space page and you can put pics on it.
515245
i was going to tell you it is not worth much, but if it is really in mint condition, it may be worth a good deal, i have a few, but they are not anywhere near mint condition.\n\nGood Luck!
157134
I would imagine it be worth  something! If its in mint condition. Duncan certainly has done nothing to diminish its worth.
145840
Cool. I hope you found some good ammonites. You may have been in the Cretaceous Western Interior Seaway, which once connected what we now call the Gulf of Mexico to what is now the Arctic Ocean. The Pierre Shale is full of clams, ammonites, and baculites. \n\nThe Western Interior Paleontological Society has some good publications:\nhttp://www.wipsppc.com/#\nHere is link to a Pierre Shale field trip of the WIPS in Colorado:\nhttp://www.paleocurrents.com/baculite_mesa/index.html\n\nHere is an awesome website put together by Dr. Ron Blakey at NAU. For your interests, the first place to start would be paleogeography of the Southwestern US, which has paleogeographic maps of each major period (that include southern Colorado):\nhttp://jan.ucc.nau.edu/rcb7/paleogeogwus.html\nThe top page of his site is at:\nhttp://jan.ucc.nau.edu/rcb7/\n\nYou might also want to buy a copy of "Roadside Geology of Colorado". This series of books is written by geologists who are familiar with the state they write about and describe the geologic features that can be found along the major highways. Here's the cite:\nChronic, H. 1980. Roadside geology of Colorado. Mountain Press Publ. Co., Missoula, Montana, 334 p.\n\nThe Colorado Geological Survey sells a map for $7 that is titled "Colorado Geologic Highway Map" that shows lots of geology information, as well as a lot of other high quality geology related publications:\nhttp://dnr.state.co.us/geostore/ProductInfo.aspx?productid=MI-38\n\nHere is the USGS page for Colorado:\nhttp://www.usgs.gov/state/state.asp?State=CO\n\n\nEnjoy.
39488
Worth of course depends on how many people are wanting to buy it.  On of the best sources to get it out there and seen is to take a picture of it and sell it on ebay.  There is a huge huge demand for minerals/crystals of that nature on there.  I know because I buy alot of my crystals on there.  See if htat works for you.
1026255
The egg from a Dinosaur\n50.000.000.000 years b.c
169475
I believe this is legal.  However, I'm not sure where you would find someone to help you preserve the skull, and I must say I'm not sure why you would want it.  Good luck with your...... endeavor.
178643
People have been finding dinosaur fossils for hundreds of years, probably even thousands of years. There are references to "dragon" bones found in Wucheng, Sichuan, China (written by Chang Qu) over 2,000 years ago; these were probably dinosaur fossils.\n\nMuch later, in 1676, a huge thigh bone (femur) was found in England by Reverend Plot. It was thought that the bone belonged to a "giant," but was probably from a dinosaur. A report of this find was published by R. Brookes in 1763.\n\nThe first dinosaur to be described scientifically was Megalosaurus in 1824, by William Buckland a British fossil hunter and clergyman who discovered some Megalosaurus fossils in 1819 and named the reptile in 1824. It was the first dinosaur ever described scientifically and first theropod dinosaur discovered (this is all in hindsight, because the dinosaurs had not yet been recognized as a separate taxonomic group - the word dinosaur hadn't even been invented yet).