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After a one year off for Covid the Tucson show will open the last week of January. Here is a link that provides you info to the +40 venues. Arizona still has high daily Covid 19 cases, so some venues or dealer rooms may require you to wear a mask, be safe. https://xpopress.com/showcase/profile/1/tucson-gem-mineral-fossil-showcase Lots of major changes will occur this year with the location of fossil dealers. The Arizona Mineral & Fossil Show which occupied the Tucson City Center Hotel was moving to the El Conquistador Resort but their web site says this show
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Talk about the Arizona Geological Survey website and resourses
DPS Ammonite posted a topic in Arizona
A Youtube live meeting is starting in 1/2 hour about the wonderful online resources of the Arizona Geologic Survey website. Click on this link or go to the Pinal County Geology Museum website for talk details. Edit: talk is live now. -
Grand Canyon National Park Centennial Paleontological Resources - open access PDF
Oxytropidoceras posted a topic in Fossil Literature
Santucci, V.L., and Tweet, J.S., editors, 2021, Grand Canyon National Park Centennial Paleontological Resources Inventory —A Century of Fossil Discovery and Research: Utah Geological Association Special Publication 1, 343 pp. NPS - Park-specific Paleontological Resource Inventory Reports Yours, Paul H.- 2 replies
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- arizona
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This is supposably a Dinosaur egg bought in 1982 at "The Arizona rock & Mineral Museum" I think that museum is long gone, but is the Egg real? Its supposed to be a Parasaurolophus egg.
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Hi everyone, There is a fossil that was found in a wash at the level of the kaibab formation below a pour over. It was found in two separate pieces. Shortly up the wash is the moenkopi formation and above that is Pliocene to Miocene basaltic rocks. The formation above the kaibab was a conglomerate of many different rocks eroding out of the hill and into the wash. The moenkopi is the most recent formation besides the basalt in that area. I did my best to match the formations to the area, but I am basing my information off the geological maps for the location. The Chinle formation is
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Hey there! I was recently given this beautiful chunk of petrified wood. I have found pieces through the years but this is the first I've ever seen with crystals which has intrigued me to learn about them more. I was wondering if this piece is possibly burned wood? It came from somewhere around the Mesa Arizona area I think I'm still trying to confirm that but definitely Arizona. Other then knowing it is petrified wood I would like to hear any info anyone may can give about it.
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- black crystals
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Hi! Someone directed me to this forum for a possibility of ID'ing these pieces. I collected these loose on the ground the day after a very heavy rain and hail storm, near a wash bed just north of the Whispering Pines area outside Payson, AZ. Someone suggested they might be fossil coral. Any info would be greatly appreciated.
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Arizona geological maps organized by county and lithostratigraphic units. Back to main page Click on underlined links. Current and historical topo maps link State map link Counties Apache Cochise Coconino Gila Graham Greenlee Mohave Maricopa Navajo Pinal Pima Santa Cruz Yavapai Yuma (includes La Paz) Geological Units Martin Formation Windy Hill Fossils here.
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First picture is a clavicle impression which has bone imbedded in the rock. Second is a vertebral or cranial bone. The rest are bone fragments.
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This is a very strange piece , with out me even saying anything about I please help my understand what I have and what you feel u see , thanks ...
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I’ve found these rocks near my track fossils and petrified wood. Can anyone shed any light on them?
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These are a few of the more unusual tracks I’ve found. The tridactyl looking tracks are really interesting since they shouldn’t be here in mid-Triassic. The one that looks like a human foot is particularly creepy
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IMG_2038.MOV Here’s a video of my collection as of May. I numbered them a while back and got to 185. That doesn’t include the trackway pieces or what I’ve added since then. It’s been almost exactly two years since I found the first track. Not bad for a sixty year old guy working alone lol.
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Calamari Anyone?!? LoL! Can someone help with this please??
Rocks n Relics posted a topic in Fossil ID
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I have found many Pennsylvanian sponge roots in an isolated area of the Naco Formation near Payson, Arizona. The sub parallel root fibers range in size from 0.2 to 1.2 mm in diameter. The roots are often found growing/covering crinoid columnal sections. Near Pine and at my site the roots are found where Chaunactis olsoni sponges are the most common, but not the only sponge species present. Now I need to find a sponge with roots attached to ID the species of the roots. It is unknown if the silicified roots were originally silica or calcite. I noticed that there are grooves from and
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- arizona
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hello everyone, I'm a newbie here and with fossils and hoping y'all's experience can help me out...I live in Globe, Az and I find some awesome rocks and minerals...however I know nothing about fossils...I found this HUGE rock last year and everyone that see's thinks it might be fossils? I do know the area was underwater "back in the day"...so we have lots of limestone conglomerates that formed. The first picture is of a oval shape something that might be a fossil... it's roughly 4" by 2" width. It has lots of texture to it. The parts I'm asking about that might be bone fo
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Been finding a few of these types of tracks recently. Will be curious to see if they actually are tridactyl dinosaurs.
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Crania Crania modesta is a rare calcium carbonate Pennsylvanian inarticulate brachiopod. The shell is very thin and the ornamentation of the shell below shows through. You can see the interior of a near circular 4.6 by 4.8 mm pedicle valve that attached itself to aLinoproductus prattenianus (photo #1). A bryozoan also covers the front and back of the Linoproductus (photos #2 & #4). Photo #2 is a different photo of the same Crania as in photo #1. The Crania has a thickened rim and a sub central knob. Rowell (1965, p. 289) lists Crania as the only Pennsylvanian genus with a calci
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- crania modesta
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Hello wonderful fossil-people! If you and you're gang enjoy solving a groovy mystery, I have a post for you! This rock was found in an area of Northern Arizona that is very well know for producing lots and lots of bryozoan, brachiopod, and crinoid fossils, as well as crystals and geodes. The bit of rock in question was found in the side of what appears to be a broken geode. There is a triangular fragment of stone that does not match the material surrounding it. There is also a white discoloration encompassing the triangle that I've highlighted in green on one of the photos below. The colo
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Possible Triceratops Horn and many other dinosaur parts.
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While removing an unknown sponge by acid dissolution from the Permian Fort Apache Member of the Schnebly Hill Formation from northern Gila County in Arizona I found several silicified brachiopods with spines. Several Bellaclathrus spinosus brachiopods were present ranging from 0.75 to 1.5 inch across and had spines as long as 1 inch. The pedicle valve of the brachiopod in the first and second photos is about 1 inch wide not including spines. This is the finest specimen with spines that I have found. The third photo shows the brachiopod attached to several oth
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- gila county
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This silicified lacustrine Miocene stromatolite is a trace fossil made by a gram-negative photosynthetic blue-green bacteria. The originally limestone stromatolite was formed as a bacterial mat trapped sediment and precipitated limestone as it grew from the lake floor towards the sun. It shows classic convex layering towards the top. The stromatolites occur in tuffaceous and lime rich lake sediments that might be part of the Chalk Canyon Formation that is bounded on the bottom by basaltic lava and volcanic rich conglomerate and sandstone on the top. Locally numerous silicified cast
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Several days ago I ventured to a Devonian desert locality near Superior, Arizona. I found the largest fossilized coral colony that I have ever found: 2 ft across. A giant Iowaphyllum nisbeti coral was covered over it’s entire length with several inches of a stromatoporoid sponge. I should have taken a photo, but it was not very photogenic; it looked like a white ledge in cross section. First photo is a piece of light colored Iowaphyllum nisbeti coral covered with a medium gray calcitic stromatoporoid coral that is about 8 inches across. The top of the coral is pointed up.
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Hey guys! I’m going to be in Arizona for a few months and need to get my fossil hunting itch scratched! I’ll be viewing the petrified forest (and not taking anything of course), but I wanted to know where I could go to find some fossils. I will be getting a permit. As someone who hunts heavily in Florida I can’t wait to see the difference in Fauna and age in Arizona! let me know what you all recommend.
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This dolomite stone was discovered near Chasm Creek, central Arizona. It appears to have the fossilized impressions of raindrops splashing into a fine muddy surface. The stone seems to be dolomitic, as HCl causes a low fizz, unlike typical limestone's more energetic fizzing. Most of the "splashes" have the central "rebound" splash seen in my high-speed imagery of water droplets. That central rebound appears to have been broken off over time. Does my assumption that this is a somehow frozen-in-time rain shower make sense?
