Here is a limestone rock that we found one night in a loose shale slab and opened up on the beach with our geology hammer 🏝🌊 The surrounding shale is softer than the limestone and is easily removed using a large hammer and chisel. Inside was a beautiful Dactylioceras tenuicostatum ammonite from the Jurassic 😳 This ammonite is around 180 Million Years Old 💀 If you would like an ammonite rock to crack open, please message us directly on yorkshire fossils or visit our website yorkshirefossils.N

Here is a limestone rock that we found in a loose shale slab and opened up on the beach with our geology hammer 🏝🌊 The surrounding shale is softer than the limestone and is easily removed. Inside was a beautiful Dactylioceras ammonite from the Jurassic along with a belemnite (fossil squid) 😍🦑 This ammonite is around 180 Million Years Old 💀 If you would like an ammonite rock to crack open, please message us directly on yorkshire fossils or visit our website yorkshirefossils.NET for nodule bu

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Limestone! It's found all over the Cave of the Mounds property. In fact, it is what rock the cave is made up of. Happy Cave Week! Learn more with our staff geologist, Holly! #caveofthemounds #cave #caveweek #limestone #rock #wisconsin #wisconsingeology #geology #learn #education #midwest #kidfriendly #familytime #science #sciencefacts | Cave of the Mounds National Natural Landmark

Here is a limestone rock that we found one night in a loose shale slab and opened up on the beach with our geology hammer 🏝🌊 The surrounding shale is softer than the limestone and is easily removed using a large hammer and chisel. Inside was a beautiful Dactylioceras tenuicostatum ammonite from the Jurassic 😳 This ammonite is around 180 Million Years Old 💀 If you would like an ammonite rock to crack open, please message us directly on yorkshire fossils or visit our website yorkshirefossils.N