Flutterby84 Posted September 20, 2021 Share Posted September 20, 2021 Hello Everyone! I have found some of these while Rockhounding in Rio Rancho, NM as well as near Nageezi, NM areas. I THINK they are possibly Acorn tops, or possibly even an Oak seed? But, I am not for certain! It is driving me NUTS not knowing what they are. My boyfriend thinks they may possibly be reminisce of shell casings, as he found some nearby... I am almost certain they are not she'll casings. But, When I have found them, they aren't all over, rather specific areas. I have found them as small as a BB all the way up to the size of a small dinner plate in diameter. And whenever I've found them, they aren't whole. They seem to always have the same similarities of the ones I've found in the past. They always seem to be hollow, though full of sandstone in the center/core... Some seem to be almost perfectly round, and others more like the Acorn shape we know today... Please, if anyone can tell me for certain what they may be, I would be so grateful. I am not needing for any other reason than my own knowledge and the fact that it is driving me nuts not knowing for certain! Thanks in advance for your input! Link to comment Share on other sites More sharing options...
Top Trilo Posted September 20, 2021 Share Posted September 20, 2021 These appear to be concretions and on some of them the softer interior eroded, leaving just the outer layers. 1 “If fossils are not "boggling" your mind then you are simply not doing it right” -Ken (digit) "No fossil is garbage, it´s just not completely preserved” -Franz (FranzBernhard) "With hammer in hand, the open horizon of time, and dear friends by my side, what can we not accomplish together?" -Kane (Kane) "We are in a way conquering time, reuniting members of a long lost family" -Quincy (Opabinia Blues) "I loved reading the trip reports, I loved the sharing, I loved the educational aspect, I loved the humor. It felt like home. It still does" -Mike (Pagurus) “The best deal I ever got was getting accepted as a member on The Fossil Forum. Not only got an invaluable pool of knowledge, but gained a loving family as well.” -Doren (caldigger) "it really is nice, to visit the oasis that is TFF" -Tim (fossildude19) "Life's Good! -Adam (Tidgy's Dad) Link to comment Share on other sites More sharing options...
DPS Ammonite Posted September 20, 2021 Share Posted September 20, 2021 They are Moqui Marbles, AKA iron-rich concretions. https://geology.utah.gov/map-pub/survey-notes/glad-you-asked/moqui-marbles/ 4 My goal is to leave no stone or fossil unturned. See my Arizona Paleontology Guide link The best single resource for Arizona paleontology anywhere. Link to comment Share on other sites More sharing options...
Coco Posted September 21, 2021 Share Posted September 21, 2021 For your future photos, use a ruler in inch or cm, or click on my last link in my signature, print the document and place your samples on it Coco ---------------------- OUTIL POUR MESURER VOS FOSSILES : ici Ma bibliothèque PDF 1 (Poissons et sélaciens récents & fossiles) : ici Ma bibliothèque PDF 2 (Animaux vivants - sans poissons ni sélaciens) : ici Mâchoires sélaciennes récentes : ici Hétérodontiques et sélaciens : ici Oeufs sélaciens récents : ici Otolithes de poissons récents ! ici Un Greg... Link to comment Share on other sites More sharing options...
Flutterby84 Posted September 21, 2021 Author Share Posted September 21, 2021 DPS Ammonite, That is exactly what they are!! Thank you so much for the knowledge! Much appreciated!! Link to comment Share on other sites More sharing options...
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