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Page 1 R OCK H OUNDING Collecting minerals or common invertebrate fossils can be enjoyed almost everywhere in Black Rock-High Rock Country. To protect mineral deposits and ensure long-term opportunities for collection, the following regulations apply: All rock and mineral collection is limited to 25 pounds plus one piece per person per day, with a maximum collection of 250 pounds per year. Common invertebrate fossils such as plants, mollusks and trilobites may be collected for personal use in reasonable quantities, but may not be sold or bartered. Petrified wood may not be traded or sold without a permit issued by BLM. Vertebrate fossils such as dinosaurs, mammals, fishes, and reptiles, and uncommon invertebrate fossils may be collected only by trained researchers under a BLM permit. These resources remain the property of all Americans and are placed with museums or other public institutions after study. Hanging Rock Petrified Forest and Charles Lund Petrified Forest are closed to rock hounds. No new mining claims are allowed in the NCA or wilderness areas, but a few claims that predate congressional designation remain valid. All minerals found on an existing mining claim belong to the claim holder and permission must be obtained to rock hound there. Records of claims can be viewed at BLM offices or County Recorder Offices. What You May Find Sandstone, limestone and granite formations all occur in the Black Rock-High Rock Country. Minerals and gemstones of interest (in alphabetical order) include: agate, arsenopyrite, azurite, barite, cinnabar, epidote, fire opal, geodes, gypsum, magnetite, malachite, marcasite, miargyrite, obsidian, petrified wood, stibnite, topaz rhyolite, and tourmaline.

Collecting minerals or common Rock Country. All rock and ...blackrockdesert.org/ebook/Other/rockhounds.pdfCollecting minerals or common invertebrate fossils can be enjoyed almost everywhere

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Page 1

R O C K H O U N D I N G

Collecting minerals or common invertebrate fossils can be enjoyed almost everywhere in Black Rock-High Rock Country. To protect mineral deposits and ensure long-term opportunities for collection, the following regulations apply:

• All rock and mineral collection is limited to 25 pounds plus one piece per person per day, with a maximum collection of 250 pounds per year.

• Common invertebrate fossils such as plants, mollusks and trilobites may be collected

for personal use in reasonable quantities, but may not be sold or bartered. • Petrified wood may not be traded or sold without a permit issued by BLM. • Vertebrate fossils such as dinosaurs, mammals, fishes, and reptiles, and uncommon

invertebrate fossils may be collected only by trained researchers under a BLM permit. These resources remain the property of all Americans and are placed with museums or other public institutions after study.

• Hanging Rock Petrified Forest and Charles Lund Petrified Forest are closed to rock

hounds. • No new mining claims are allowed in the NCA or wilderness areas, but a few claims

that predate congressional designation remain valid. All minerals found on an existing mining claim belong to the claim holder and permission must be obtained to rock hound there. Records of claims can be viewed at BLM offices or County Recorder Offices.

What You May Find Sandstone, limestone and granite formations all occur in the Black Rock-High Rock Country. Minerals and gemstones of interest (in alphabetical order) include: agate, arsenopyrite, azurite, barite, cinnabar, epidote, fire opal, geodes, gypsum, magnetite, malachite, marcasite, miargyrite, obsidian, petrified wood, stibnite, topaz rhyolite, and tourmaline.

Page 2

R O C K H O U N D I N G

Where to Look The Rainbow Opal mine is a commercially operated mine and offers great opportunities for opal mining. For a small fee, you can try your luck. A n o t h e r p o p u l a r destination for rock hounds is the Black Rock Range geode mine. Geodes can be found virtually throughout the southern reaches of the Black Rock Range. Your best chance to find geodes is in the vicinity of the abandoned mine located on the east slope of the South Black Rock Range. You will need a 4-WD vehicle to travel the old mining road to the mine. Petrified Canyon in the Calico Mountains is a source for petrified wood deposits.

Petrified Wood

Page 3

R O C K H O U N D I N G

Azurite and Malachite CuCO(OH)

Black Rock Range Humboldt County, NV

courtesy: Howard Metzler

Black Rock Thunderegg SiO2

Black Rock Range Humboldt County, NV

courtesy: Dave LeFevre