The southern bank of Indiana is an ideal place to find geodes.
Southern Indiana has an abundance of geodes and marine fossils. Hundreds of millions of years ago, the entire state was a salty tidal plain that was ideal for geode creation. Most of the geological and fossil specimens were lost in the northern half of Indiana from the movement of the glaciers that lasted until the most recent ice age. However, from the Ohio River north to the Martinsville area there is a wealth of geodes that you can readily discover.
Instructions
1. Locate areas where you are able to travel that are likely to contain geodes. Geodes and fossils are most easily found in areas that expose ground stratification, whether by natural or artificial means. That is, focus on places where more layers of the ground are exposed than just the topsoil.
2. Walk around the shores of bodies of water and try to find geodes that have been exposed by the raising and lowering of the water. While even small creeks will provide this opportunity, prime examples of exposed ground strata can be found along the Ohio River, the Wabash River, the White River, and Monroe Reservoir.
3. Drive along a state highway and look for places where the ground was excavated to build the road. There are miles of such roads, distinguished by sharp escarpments of exposed soilalong the roads. Park your car in a safe area and examine the area where the escarpment meets the ground. Because of rain and natural erosion, geodes are likely to have become exposed and rolled down to this area. A prime example of such a location is the excavated slopes around State Road 37 near Bedford, Ind.
4. Search for geodes on private property only if you have secured proper permission. On private property, some of the best places to find geodes are in crop fields. Many farmers would be grateful for the "service" if you asked to search their fields for geodes after the fields have been tilled, as the tilling process frequently pulls up geodes that could be a hazard for the farm equipment.
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