RockWoof
Check access before you go. Most sites listed here are old mines, quarries or prospects, and many are on private land or active mining claims. Get the landowner's permission, check the rules of the agency that manages any public land, and never enter mine workings. Locations are approximate.

Sketch map

Elliot Farm Prospect (Prospect)Mine Hill Mine (Past Producer)Gravelly Delight Mine (Past Producer)Pine Creek Forge Mine (Past Producer)Collins Mine and Plant (Past Producer)Deep Creek Mine (Past Producer)Barcroft (Producer)
Past ProducerProducerProspectOccurrenceStatus unknown
7 paw pins, one per site. Hover or tap a pin for the site name. County outline: US Census Bureau cartographic boundary file (2023). Locations approximate.

Field cards: what kind of sites?

5
Past Producer

Produced ore or material at some point in the past.

1
Prospect

Explored or test-dug, with no recorded production.

1
Producer

Was producing when the record was made.

Status terms come from USGS MRDS records.

Minerals recorded here

No individual minerals are listed in these records.

Commodities

Iron 6Magnesite 1

Sites

SiteCommodityMinerals recordedStatusApprox. location
Elliot Farm ProspectIron—Prospect38.484, -75.584
Collins Mine and PlantIron—Past Producer38.735, -75.482
Mine Hill MineIron—Past Producer38.478, -75.586
Gravelly Delight MineIron—Past Producer38.673, -75.556
Deep Creek MineIron—Past Producer38.677, -75.488
Pine Creek Forge MineIron—Past Producer38.655, -75.526
BarcroftMagnesite—Producer38.783, -75.161

Fossil collections

The Paleobiology Database lists 6 fossil collection records in Sussex County. These are research records, not public dig sites.

Nearby counties

New Castle County

Back to all Delaware counties.

Related articles

How we built this page: we counted named sites in the USGS Mineral Resources Data System (MRDS) for this area, left out sand, gravel, crushed stone, clay pits and unnamed sites, grouped them by Census county, and linked every site to its USGS record. We did not visit these sites, and MRDS does not tell you who owns the land or whether collecting is allowed.

Source: USGS Mineral Resources Data System (MRDS). USGS ceased systematic updates to MRDS around 2011, so status and details may be out of date. Each site links to its USGS record.

Updated