Bone Valley is a fossil collecting location in Polk County, Florida. The site exposes Miocene-Pleistocene fossils where visitors can hunt for shark teeth, marine vertebrates, and land mammals.
Public beach and river collecting is allowed; private phosphate mine sites are strictly off-limits and dangerous. Peace River and Venice Beach area are the prime public collecting locations within the Bone Valley region. Check Florida regulations – permit required for vertebrate fossils other than shark teeth (free permit from Florida Museum). Best collecting in publicly accessible rivers and beaches, never on private mine property.
The Bone Valley Formation is famous for both marine fossils (shark teeth) and Pleistocene land mammals. The formation underlies much of central Florida and is 18-35 feet deep in places. Extensive phosphate mining operations since the late 1800s have exposed and distributed fossils throughout the region. Material washes into rivers like the Peace River and onto Gulf beaches like Venice.
This complete guide covers everything you need to know about fossil collecting at Bone Valley, including directions to the site, collecting rules and regulations, the types of fossils you can find, and what to expect during your visit. nan provides the nearest services and amenities for visiting collectors.
Location and Directions
You can find Bone Valley in Polk County, Florida. To reach Bone Valley: There is access public rivers like Peace River and beaches like Venice; private phosphate mines not accessible to public. When you arrive, the fossil collecting area is located along rivers and beaches where fossils concentrate from eroded Bone Valley Formation deposits.
What Fossils You’ll Find
Bone Valley contains Miocene-Pleistocene fossils preserved in phosphate deposits.
Shark teeth are the primary fossil assemblage at the site. Marine mammal fossils are also found throughout the collecting area. land mammal fossils occur less frequently but have been been discovered at Bone Valley.
Geologic History
Bone Valley exposes the Bone Valley Formation and Hawthorn Group, a significant Miocene-Pleistocene geological unit in Polk County, Florida.
Millions of years ago, the area that is now Florida was a shallow coastal marine environment. The climate was warm subtropical throughout. Miocene-Pliocene represented marine environments transitioning to Pleistocene terrestrial environments as sea levels fluctuated.
As these ancient organisms died, sediments buried and preserved their remains. Over millions of years, geological processes transformed these sediments into the fossil-bearing rocks visible at Bone Valley today.
How Bone Valley Became a Fossil Collecting Site
Bone Valley originally operated as an industrial site where commercial activities exposed fossil-bearing rock layers. Quarrying, mining, or excavation operations removed overlying sediments and revealed ancient deposits that had been buried for millions of years.
After industrial operations ceased, Bone Valley transitioned to a location where fossil enthusiasts could legally collect specimens. The legacy of this industrial activity created the accessible rock exposures that make fossil collecting possible today. Many of the world’s most productive fossil sites share this history of industrial operations inadvertently revealing paleontological treasures.
Collecting Rules & Regulations
Is Fossil Collecting Allowed?
Fossil collecting is allowed at Bone Valley. Visitors may keep the fossils they find at this public collecting site.
Key Points:
- No permits or fees required
- Open to all experience levels
- Specimens become property of the collector
- Free access to fossil beds
Tools and Equipment
Recommended Tools:
Fossil collectors should verify which tools are allowed before beginning their search. Some sites provide tools for visitors, while others require collectors to bring their own equipment.
Common Collecting Tools:
- Rock hammers and chisels
- Brushes for cleaning specimens
- Hand screens for processing sediment
- Sturdy containers, bags, or buckets
- Newspaper or bubble wrap for protection
- Spray bottle with water (reveals fossil details)
Safety Guidelines
Essential Safety Guidelines:
Safety should be every collector’s top priority when visiting Bone Valley.
Personal Protection:
- Wear closed-toe shoes or boots with good traction
- Eye protection is essential when using rock hammers or chisels
- Sun protection: sunscreen, hats, and protective clothing
- Bring plenty of water and stay hydrated
Site Awareness:
- Supervise children at all times
- Watch for unstable rock faces, deep water, steep slopes
- Be aware of poisonous plants and wildlife
- Let someone know your plans before visiting remote sites
- Never collect alone in isolated areas
Sources
Florida Museum of Natural History; Bone Valley Formation geological literature; Peace River and Venice area documentation
