Logansport: Apatite & Calcite Rockhounding in Cass County, Indiana

Updated June 2026

Logansport is a mapped rockhounding spot in Cass County, Indiana. Reported finds include apatite, calcite, pyrite, quartz. Below: coordinates, access notes, nearby spots, and trip-planning links.

Quick details

Access: Public area
County: Cass County
State: Indiana
Nearest road: US 24
Postcode: 46970
Coordinates: 40.73973, -86.29245

Geology at Logansport

This spot sits on Wabash Formation, mapped as limestone and dolostone that formed roughly 445 to 420 million years ago. Carbonate rock like this dissolves and weathers readily, so fresh road cuts, quarries, and creek exposures are typically the most productive ground.

Mapped unit: Wabash Formation
Age: 445–420 Ma (Silurian)
Rock types: limestone and dolostone
Elevation: 680 ft

Geologic mapping via Macrostrat and the underlying state geological survey maps (CC BY 4.0). Bedrock at the surface can vary within a mapped unit.

Best time to visit Logansport

Best months: March to November. Typical highs run 84°F in midsummer and 33°F in midwinter, with winter lows near 18°F.

Climate normals: NOAA 1991-2020 monthlies, LOGANSPORT CICOTT ST station (5 mi away).

Land & collecting status

Generally open to casual rockhounding

Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig.

Public-land rules vary by agency, season, and field office. The RockHoundR app pulls live BLM, USFS, NPS, and tribal overlays so you can see exactly which agency manages the ground at this spot.

Sources & verification

Spot details combine the public RockHoundR location dataset, normalized mineral labels, agency land-status checks in the app, and community submissions. Coordinates are approximate until verified in the field.

Sources: RockHoundR public spot dataset, app land overlays, and local agency review before each trip.

Found at Logansport

Each chip opens all spots that produce that material; the encyclopedia link opens the full ID and field guide.

Nearby rockhounding spots

Other rockhounding spots within driving distance of Logansport.

Logansport FAQ

Where is Logansport?+

Logansport is in Cass County, Indiana, at 40.73973, -86.29245. Nearest road: US 24.

What rocks and minerals can you find at Logansport?+

Logansport is reported to produce Apatite, Calcite, Pyrite, Quartz.

Is collecting allowed at Logansport?+

Generally open to casual rockhounding. Most public-tagged spots sit on BLM, U.S. Forest Service, or other federal land where reasonable hand collecting of common rocks and minerals is allowed. Confirm posted rules and active mining claims before you dig. Always confirm current rules with the managing agency before a trip.

What tools should I bring to Logansport?+

A rock hammer, a small pry bar, gloves, and safety glasses cover most crystal ground. A screen helps in loose pocket soil, and newspaper protects points on the way out.

When is the best time to visit Logansport?+

The most comfortable months at Logansport are March to November.

How do I get to Logansport?+

Open the directions link to navigate to 40.73973, -86.29245 in Google Maps. The nearest road is US 24.

More rockhounding in Indiana

See all 33 Indiana spots →

Open Logansport on the map

Use the RockHoundR app for live land overlays, weather, geology, directions, and saved finds.