# 43 CFR § 3501.5: What terms do I need to know to understand this part?

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.5

## Section

- **Citation:** 43 CFR § 3501.5
- **Heading:** What terms do I need to know to understand this part?
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 43—Public Lands: Interior > Subtitle B—Regulations Relating to Public Lands > CHAPTER II—BUREAU OF LAND MANAGEMENT, DEPARTMENT OF THE INTERIOR > SUBCHAPTER C—MINERALS MANAGEMENT (3000) > PART 3500—LEASING OF SOLID MINERALS OTHER THAN COAL AND OIL SHALE > Subpart 3501—Leasing of Solid Minerals Other Than Coal and Oil Shale—General

## Text

You need to know the following terms, which are used frequently in this part:
Acquired lands means lands or interests in lands, including mineral estates, which the United States obtained through purchase, gift, or condemnation. It includes all lands BLM administers for hardrock mineral leasing other than public domain lands.
Chiefly valuable, for the purposes of this part, means the land is more valuable for the development of sodium, sulphur or potassium than for any non-mineral use of the land.
Hardrock minerals include base metals, precious metals, industrial minerals, and precious or semi-precious gemstones. Hardrock minerals do not include coal, oil shale, phosphate, sodium, potassium, or gilsonite deposits. Also, hardrock minerals do not include commodities the government sells such as common varieties of sand, gravel, stone, pumice or cinder. The term hardrock minerals as used here includes mineral deposits that are found in sedimentary and other rocks.
Leasable minerals, for purposes of this part, means the chlorides, sulfates, carbonates, borates, silicates or nitrates of potassium or sodium and related products; sulphur on public lands in the States of Louisiana and New Mexico and on all acquired lands; phosphate, including associated and related minerals; asphalt in certain lands in Oklahoma; and gilsonite (including all vein-type solid hydrocarbons).
MMS means the Minerals Management Service.
Permit means prospecting permit, unless otherwise specified.
Valuable deposit, for the purposes of this part, means an occurrence of minerals of such character that a person of ordinary prudence would be justified in the further expenditure of his or her labor and means, with a reasonable prospect of success in developing a profitable mine.

## Nearby sections

- [43 CFR § 3501.1 § 3501.1 What is the authority for this part?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.1.md)
- [43 CFR § 3501.2 § 3501.2 What is the scope of this part?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.2.md)
- [43 CFR § 3501.5 § 3501.5 What terms do I need to know to understand this part?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.5.md)
- [43 CFR § 3501.10 § 3501.10 What types of mineral use authorizations can I get under these rules?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.10.md)
- [43 CFR § 3501.16 § 3501.16 Does my permit or lease grant me an exclusive right to develop the lands covered by the permit or lease?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.16.md)
- [43 CFR § 3501.17 § 3501.17 Are there any general planning or environmental considerations that affect issuance of my permit or lease?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.17.md)
- [43 CFR § 3501.20 § 3501.20 If BLM approves my application for a use authorization under this part, when does it become effective?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.20.md)
- [43 CFR § 3501.30 § 3501.30 May I appeal BLM's decisions under this part?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.30.md)
- [43 CFR § 3505.10 § 3505.10 What is a prospecting permit?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3505.10.md)
- [43 CFR § 3505.11 § 3505.11 Do I need a prospecting permit to collect mineral specimens for non-commercial purposes?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3505.11.md)
- [43 CFR § 3507.11 § 3507.11 What must I do to obtain a preference right lease?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3507.11.md)
- [43 CFR § 3507.15 § 3507.15 How do I apply for a preference right lease?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3507.15.md)
- [43 CFR § 3507.16 § 3507.16 Is there a fee or payment required with my application?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3507.16.md)
- [43 CFR § 3507.17 § 3507.17 What information must my preference right lease application include?](https://www.frixlaw.com/law-library/statutes/ecfr-43-3507.17.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-43-3501.5. Check the current official text before relying on it. Not legal advice.