Tyler Matters Posted October 18, 2018 Share Posted October 18, 2018 I have a little rock, smaller than a marble. It looks like a fingerprint on a rock. Any ideas what it is? That's a marble for size comparison. Link to comment Share on other sites More sharing options...
caldigger Posted October 18, 2018 Share Posted October 18, 2018 You are likely going to need to post closer up pictures. Link to comment Share on other sites More sharing options...
Tyler Matters Posted October 18, 2018 Author Share Posted October 18, 2018 I tried, but my phone wouldn't focus on something that small. Link to comment Share on other sites More sharing options...
Tyler Matters Posted October 18, 2018 Author Share Posted October 18, 2018 Here is a close up cropped picture. Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 18, 2018 Share Posted October 18, 2018 First off, try taking your pictures in daylight, or sunlight. Near a window should be good if it is raining. Get your item on a solid background, black or white. Try downloading a free Magnifier app. Do not try to hold the phone. Instead, try to place it on a wide book or on top of a mug or cup. Place the item underneath the phone, and use the magnifying app to take a picture. My phone camera is not good, but the magnifier app does a good job. Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Herb Posted October 18, 2018 Share Posted October 18, 2018 sponge? "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
Brittle Star Posted October 19, 2018 Share Posted October 19, 2018 Please try and use a ruler in your photos, objects are not the same all over the world, marbles come in different sizes. Where was it found? This will point to how old it is. As the photo is dark I am only guessing due to the shape it could be a nummulites. Looking forward to more pics. Never ask a starfish for directions Link to comment Share on other sites More sharing options...
minnbuckeye Posted October 19, 2018 Share Posted October 19, 2018 Prasapora bryozoan??? They occur frequently in North East Iowa where the Ordovician rock is exposed. Not sure where in Iowa this was found. Will help in ID if you can tell what county at least. Link to comment Share on other sites More sharing options...
Tyler Matters Posted October 19, 2018 Author Share Posted October 19, 2018 Marbles are pretty standard size, but here is one of the front and one of the back with a ruler. It's a little over a centimeter long. Link to comment Share on other sites More sharing options...
abyssunder Posted October 19, 2018 Share Posted October 19, 2018 I see you have difficulties using the back camera of your zte z837vl smartphone, especially in focusing the objects. Here's an online manual for your phone, check page 108. Hope this helps. (According to the last pictures, it can be anything, even an echinoderm, like cystoid or other.) " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
Tyler Matters Posted October 20, 2018 Author Share Posted October 20, 2018 How did you know I have a ZTE? Do they just suck that bad it's obvious? Link to comment Share on other sites More sharing options...
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