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As far as states with good rockhounding go, Kentucky is certainly listed among them. There is a wide variety of interesting rocks, minerals, and fossils that can be found in the state and in good quantity – as a result, there are many good rockhounding sites in the state. Some of the best locations to be found in Kentucky are located in the Salem-Warsaw, Borden, and Fort Payne formations. Kentucky geodes are particularly popular among rockhounds as there are many in the state to be found. For those unfamiliar with them, geodes are rock nodules that are usually hollow inside and contain crystals. In Kentucky, these can be most easily found by searching riverbeds and riverbanks.
The Best Rockhounding Spots in Kentucky Are:
| Site | Public or Private | GPS Coordinates |
|---|---|---|
| Big Four Fault | Public | 37.349619, -88.192657 |
| Kentucky Lake | Public | 36.60068, -88.13053 |
| Warsaw-Salem Formations | Public | 37.322660, -88.244327 |
| Mount Vernon | Public | 37.444917, -84.322730 |
| Green River | Public | 37.224299, -86.376028 |
| Halls Gap | Public | 37.462551, -84.636043 |
| Lafayette Mine | Private | 37.21611, -88.12528 |
| Columbia Mine | Private | 37.34137, -88.14778 |
| Hickory Cane Mine | Private | 37.36778, -88.17500 |
In Kentucky, you can find and collect a wide variety of rock, mineral, and fossil specimens, including geodes, quartz, agate, calcite, jasper, fluorite, chalcedony, petrified wood, galena, barite, and more.
If you are interested in checking out the best book about rockhounding in Kentucky you can find it by clicking here (Amazon link).
Rockhounding Regulations and Laws in Kentucky
Rockhounding on federal tracts of land (those managed by the Bureau of Land Management) is allowed. Some state parks permit the collection of rocks, minerals, and fossils from their lands. As the rules regarding rockhounding on public and private lands are always changing, be sure to check with the state parks or landowners before you head out to new sites on your rockhounding adventures.
The Best Public Rockhounding Sites in Kentucky
You can find the best rockhounding sites in Kentucky that are open to the public below. And if you want, here is a map with GPS for all public and paid locations mentioned in this article:
Big Four Fault
Big Four Fault is a well-known location amongst rockhounds. This site is popular due to the variety of rock formations and deposits of minerals that can produce nice specimens for collection. Access to the site is relatively easy, making this a good place to rockhound with the family while spending a day out in nature.
| Rocks / Minerals | Rarity |
|---|---|
| Anglesite | Occasional |
| Cerussite | Occasional |
| Galena | Common |
| Fluorite | Occasional |
| Smithsonite | Occasional |
| Quartz | Common |
Kentucky Lake
Kentucky Lake is a beautiful place to spend time rockhounding with its green hills and expanse of reflective waters. This lake exists thanks to a dam built across the Tennessee River by the Tennessee Valley Authority in 1944, as part of a hydroelectric power plant. Kentucky Lake is the largest man-made lake east of the Mississippi River.
Scattered here and there along the lake’s shores are state parks and wildlife areas that offer the rockhounder some excellent places to search for nice rock, fossil, and mineral specimens. These parks also provide access to the lake’s shore, where relatively easy access to the water’s edge exists.
The south and east shores of the lake are the best places to rockhound. Quartz crystals can be dug from the earth, for which you’ll need some basic excavation gear like a shovel and a pick.
| Rocks / Minerals | Rarity |
|---|---|
| Geodes | Common |
| Calcite | Common |
| Jasper | Common |
| Quartz | Common |
Warsaw-Salem Formation
The Warsaw-Salem Formation is made up of rocks from the Mississippian period (about 358 to 299 million years ago). Geodes can easily be found in the beds of the creeks and streams that cut through the rock beds. In addition to geodes, this formation has rich deposits of other collectible rocks and minerals. The limestone and shale layers hold numerous fossils.
| Rocks / Minerals | Rarity |
|---|---|
| Geodes | Common |
| Fossils | Common |
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Mount Vernon
Situated in the Appalachian Mountains, Mount Vernon is a fine place to rockhound with the wealth of rocks, minerals, and fossils that can be found there. There are sedimentary layers, mostly limestone and shale, where fossils can be found, and there are veins running through the rock of the mountain where interesting mineral specimens can be uncovered. The road cuts and creek beds that cut through the layers of stone are good places to hunt for nice rocks and minerals.
| Rocks / Minerals | Rarity |
|---|---|
| Geodes | Common |
| Oolite | Common |
| Chert | Common |
| Jasper | Common |
| Fossils | Common |
Green River
The Green River has been designated a National Wild and Scenic River. The river runs for 733 miles before emptying into the Ohio River. The river is important in the region as it provides drinking water and for its used in industry and recreation. In addition to its beauty and utility, the river is a fantastic place to hunt for geodes.
In particular, the banks and bends of the river are where geodes tend to collect. The best time to hunt for geodes in the Green River is after heavy rain or during periods of low water. Due to the movement of the water, new geodes are constantly eroding out of the banks.
| Rocks / Minerals | Rarity |
|---|---|
| Geodes | Common |
| Agate | Occasional |
| Jasper | Occasional |
Hall’s Gap
The road cut through which runs Route 27 is a good place to look for rocks and minerals. The best place to look is where Route 27 descends a hill with road cuts on either side, just north of the Halls Gap Motel. There is a pull-off at the end of the road cut, and the area adjacent to this spot is a good place to look for rocks and minerals, in particular geodes that bear millerite needles growing from pink chalcedony.
| Rocks / Minerals | Rarity |
|---|---|
| Geodes | Common |
| Quartz | Occasional |
| Chalcedony | Occasional |
| Calcite | Common |
| Barite | Occasional |
| Celestine | Occasional |
| galena | Occasional |
| Pyrite | Occasional |
Lafayette Mine
Formerly the largest producer of fluorite in Kentucky, this site now has some of the largest mine dumps in the region. The mine is located near the town of Frances and is situated in the Kentucky-Illinois Fluorspar Mining District, which is known for the quantity of fluorite that was mined. This mine was founded in 1888 and has recently closed down. For access to the site, contact the Clement Museum.
| Rocks / Minerals | Rarity |
|---|---|
| Baryte | Occasional |
| Calcite | Common |
| Fluorite | Common |
| Galena | Common |
| Hemimorphite | Occasional |
| Pyrite | Common |
| Quartz | Common |
| Sphalerite | Occasional |
Columbia Mine
The Columbia Mine is the oldest mine in the Illinois-Kentucky fluorspar district, opened in 1835 by a group of people that included President Andrew Jackson. The mine was originally opened to mine galena to produce silver. Later, the mine was used as a site to mine sphalerite to produce zinc.
While the mine is private property, permission can be sought to collect from the mining tailings. Permission to rockhound the tailing piles can be requested from the Ben E. Clement Mineral Museum.
| Rocks / Minerals | Rarity |
|---|---|
| Galena | Common |
| Sphalerite | Common |
| Smoky Quartz | Occasional |
| Fluorite | Common |
| Smithsonite | Occasional |
Hickory Cane Mine
The Hickory Cane Mine is located in the Commodore Fault System and was founded in 1901 and ceased operation in the mid-1940s. The mine was originally started to mine for fluorite and zinc ores (smithsonite and sphalerite, respectively). These days, the main feature of the mine is the dump of the Rock Shaft.
The Rock Shaft was the deepest of the vertical shafts, going down 240 feet. The open shaft is circled by a barbed wire fence but is not capped, so caution is required. Of the minerals that can be found at this site, calcite is most commonly found.
| Rocks / Minerals | Rarity |
|---|---|
| Calcite | Common |
| Fluorite | Common |
| Galena | Common |
| Greenockite | Occasional |
| Gypsum | Common |
| Pyromorphite | Occasional |
| Quartz | Common |
| Smoky Quartz | Occasional |
| Smithsonite | Occasional |
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How To Clean Rocks Without A Tumbler? Make Your Rocks Shiny!
Other Notable Rockhounding Spots in Kentucky
In addition to the sites listed above, here are some more places that are good locations to look for rocks and minerals.
Spots in Eastern Kentucky
Here are some additional rockhounding sites that you can find in eastern Kentucky.
| Site | Public / Pay | GPS Location | Common Rocks / Minerals |
|---|---|---|---|
| Ashland mines | Public | 38.373346, -82.743829 | Siderite |
| Ison Creek outcrops | Public | 38.135677, -82.978739 | Enstatite, Ilmenite, magnetite, mica, olivine, garnet, serpentine, peridotite |
| Little Sandy River | Public | 38.117493, -83.109956 | Apatite, Garnet, Chromite, Feldspar, Quartz |
| Rowan County quarries, outcrops, streams | Public | 38.188488, -83.371099 | Fossils, quartz |
Spots in Central Kentucky
Here are some additional rockhounding sites that you can find in central Kentucky.
| Site | Public / Pay | GPS Location | Common Rocks / Minerals |
|---|---|---|---|
| Gratz mine dumps | Public | 38.477179, -84.960547 | Barite, Calcite, Fluorite, Galena, Sphalerite |
| Vine Grove quarries and streams | Public | 37.813179, -85.984311 | Geodes |
| Troy mines | Public | 37.851545, -84.766415 | Barite, calcite, galena, fluorite, Sphalerite |
| Vine Grove quarries and streams | Public | 37.813179, -85.984311 | Geodes |
| Caldwell Quarry | Public | 37.626200, -84.746438 | Fluorite |
| Elizabethtown quarries | Public | 37.635015, -85.951680 | Geodes |
| Lincoln County outcrops and streams | Public | 37.343347, -84.682108 | Geodes |
| Rowlets stream gravels | Public | 37.257907, -85.897608 | Onyx, petrified wood |
| Cave City quarries | Public | 37.104055, -86.012474 | Marble |
| Scottsville quarries and streams | Public | 36.741025, -86.190489 | Geodes |
BTW: Do you want to know more about rock and mineral identification? The books listed below are the best ones you can find on the internet (Amazon links):
- Smithsonian Handbooks: Rocks & Minerals
- Gemstone & Crystal Properties (Quick Study Home)
- Ultimate Explorer Field Guide: Rocks and Minerals (National Geographic Kids)
Spots in Western Kentucky
Here are some additional rockhounding sites that you can find in western Kentucky.
| Site | Public / Pay | GPS Location | Common Rocks / Minerals |
|---|---|---|---|
| Laketon bluffs | Public | 36.875114, -89.096608 | Ochre |
| Graves County streams | Public | 36.670517, -88.541707 | Agate, chert, chalcedony, jasper, quartz, petrified wood |
| Birdsville quarries | Public | 37.201210, -88.372839 | Calcite, dolomite, fluorite, quartz |
| Carrsville mines | Public | 37.395868, -88.352821 | Calcite, Fluorite, Quartz |
| Kentucky Dam Village State Park | Public | 37.010821, -88.283612 | Fort Payne Chert |
| Crittenden County mines | Public | 37.367682, -88.174972 | Fluorite, galena, barite, calcite, dolomite, pyrite, sphalerite, mica |
| Fredonia mines | Public | 37.220427, -88.092906 | Barite, agate |
| Eddyville road cuts and streams | Public | 37.072507, -88.057435 | Agate, chalcedony, jasper |
| Princeton quarries | Public | 37.091852, -87.845098 | Calcite, fluorite |
Rockhounding Clubs in Kentucky
Kentucky has several good clubs and societies for rockhounders. Some of the best are listed below.
The Bluegrass Gem and Mineral Club of Central Kentucky
The Blue Grass Gem and Mineral Club was founded in 1964 and is based in Lexington. The club is for members and prospective members and caters to those highly interested in rockhounding and the enjoyment of collecting and displaying interesting rocks and minerals.
The club welcomes those with an interest in geography, geology, mineralogy, crystallography, palaeontology, lapidary arts, metalworking, and gem faceting. The club hosts monthly field trips involving the collection of mineral specimens, fossils, and gemstones. During the winter months, the field trips tend to be along the lines of visits to museums, public displays, and the private collections of club members.
The club also holds monthly meetings where anyone enthusiastic about rocks and minerals can join. The club sponsors several gem and mineral shows throughout the year where the public can see and purchase rocks, minerals, gems, and jewellery. Dues for membership in the club cost $20 annually. The club’s webpage can be found here.
The Kentucky Paleontological Society
The Kentucky Paleontological Society was founded in 1993 with the intent of encouraging interest in the science of palaeontology. The society offers members a monthly newsletter and hosts monthly meetings and field trips. The society aims to be a place where the exchange of data between professionals and keen amateurs can take place. The website for the society can be found here.
The KYANA Geological Society
The KYANA Geological Society was founded in 1961 to encourage interest in geology, minerals, fossils, and the lapidary arts in Kentucky and southern Indiana. The society invites those who are interested in rocks, minerals, fossils, the lapidary arts, flint knapping, geological history, and environmental science, among other interests.
The membership of the society is primarily comprised of eager amateurs and some professional geologists, engineers, and other professional scientists. The society offers its members monthly meetings and guest lectures, which are open to the public, and monthly field trips that are for members only.
Other activities of the society include monthly field trips to local quarries, rock exposures, caves, and museums. An annual show is held with vendors from both the local area and from further afield. The website for the society can be found here.
State Gem, Mineral, Rock, and Fossil
The state rock of Kentucky is the Kentucky Agate, designated as such in 2000. Agate is a popular rock among rockhounders, and the ones from Kentucky are known for their bands of red, black, yellow, and grey. These agates can be found in Estill, Rockcastle, Jackson, Powell, and Madison counties. These rocks have weathered out of the Renfro-Borden formation and were formed during the Early Mississippian age, about 359 to 318 million years ago.
The state mineral of Kentucky is coal, which was designated the official state mineral in 1998. Producing around 155 million tons of coal each year, Kentucky ranks third in the nation for coal production. There are two primary coal production sites in the state: the Western Kentucky Coal Field and the Eastern Kentucky Coal Field. Coal is a black to brown, readily combustible sedimentary mineral; its ability to burn and produce energy is the reason it is sought after. It is found primarily in three forms: lignite, bituminous, and anthracite, with lignite being the softest and anthracite being the hardest.
Kentucky’s state fossil is the brachiopod, which was named the state fossil in 1986. Brachiopod fossils are the remains of extinct marine bivalves with two shells of different shapes that fit together. These fossils are very common in sedimentary rock strata dating to the Palaeozoic. The minerals that comprise these fossils are mainly calcite or quartz. These fossils are rarely longer than a couple of inches in length, and hundreds of different brachiopod species can be found in the state.
Kentucky has a state gem, the freshwater pearl, which is not a mineral, rock, or fossil. These pearls are formed inside freshwater mussels and are popular gems.
Recommended Rockhounding Gear
While special gear is not required to find nice rocks and fossils, having the right tools will help you find more than what’s simply laying around on the open ground. Here are some of the more basic tools and safety gear for interested rockhounds.
Geological Hammer
This 22oz Pointed-Tip Rock Pick by Estwing (Amazon link) is recommended for its durability and shock-reducing grip.
A rock pick is essential when collecting mineral specimens from a hard substrate such as stone. The pick’s handle is shock-resistant, making it more comfortable for use for longer times in the field.
Geology Pick
The Geology pick by Estwing (Amazon link) is a good choice for those starting out in the hobby as well as seasoned professionals.
The hammer comes with a pointed tip on one side of the head and a chiseled end on the other. This pick is good for excavating interesting mineral and fossil specimens.
Mini Shovel
The Mini D-Handle Round Point Shovel by Stanley (Amazon link) pairs convenience with durability. Especially in areas of soft material such as sand or clay, it is nice to have a sturdy shovel that is easy to carry.
The D-shaped handle gives you more leverage when digging on your knees, which is something that similarly sized standard-handled shovels wouldn’t provide.
Heavy Duty Work Gloves by Ironclad
Working with your hands in rockhounding environments can be rough; it is easy to get cuts or abrasions when in the field. Protecting your hands is important, especially while working with sharp or abrasive rocks.
The Heavy Duty Work Gloves by Ironclad (Amazon link) protect your hands from sharp rocks and tools. They are machine washable, highly abrasion resistant, and durable.
Safety Glasses
Eye protection is a must when breaking up a rock or any sort of work where debris could cause injury to your eyes.
The 3M Safety Glasses (Amazon link) are anti-fog and have a corded earplug system, as well as a removable foam gasket. The clear, scratch-resistant lenses shield the eyes against harmful ultraviolet light as well as prevent eye injury from flying rock chips.
First Aid Kit
With its 299 pieces, the Only Emergency First Aid Kit (Amazon link) is a good one for rockhounds. Of course, it’s best to avoid injuring yourself but if things go wrong it’s good to be prepared.
Some of the items found in the kit include fabric and plastic bandages, painkillers, gauze and pads, cold packs, wound closers, and many more.
Conclusion
As you can see, Kentucky has a lot to entice rockhounders to get out and explore its lands. Not only is the geology conducive to rockhounding, but the variety of mineral and rock types is diverse. Additionally, Kentucky is one of the best places to find geodes in the country, with good geode hunting locales spread throughout the state.
If you’re new to rockhounding in Kentucky, a good place to begin is by contacting the various rock and mineral societies listed above; they can be an invaluable resource for new rockhounders. Several of the sites listed above require permission from private landholders; the rockhounding clubs can put you in touch with the relevant people.
TIP: Just as every treasure hunter needs a map, every rockhound needs information before searching for rocks and minerals. Find out more in the article below:
15 Common Rocks & Minerals You Can Find in Kentucky