# The Feldspar Plant

- **MSHA mine ID:** 3100354
- **Status:** Abandoned
- **Type / commodity:** Facility / Feldspar
- **Location:** Mitchell, NC
- **Operator:** The Quartz Corp USA
- **Controller:** Imerys S A; Norsk Mineral AS
- **Public source rows linked:** 2,530
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-13T11:26:59.401Z

## Current entity hierarchy

**Imerys S A; Norsk Mineral AS (0099849) → The Quartz Corp USA (L18340) → The Feldspar Plant (3100354)**

Current identity source: `msha-mines`. This is a current snapshot, not a historical claim.

## Controller and operator valid-time history

- **Zemex Corp → The Feldspar Corporation:** 1950-01-01 through 2003-03-02; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Cementos Pacasmayo SSA → The Feldspar Corporation:** 2003-03-03 through 2007-09-04; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Imerys S A → The Feldspar Corporation:** 2007-09-05 through 2011-03-31; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Imerys S A  et al → The Feldspar Corporation:** 2011-04-01 through 2012-12-31; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Norsk Mineral AS  et al → The Feldspar Corporation:** 2011-04-01 through 2012-12-31; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Imerys S A  et al → The Quartz Corp USA:** 2013-01-01 through current/open; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Norsk Mineral AS  et al → The Quartz Corp USA:** 2013-01-01 through current/open; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.
- **Imerys S A → The Quartz Corp USA:** 2013-01-01 through 2011-03-31; derived from co-tenure at mine 3100354; source `msha-controller-operator-history`.

- History rows: 8
- Typed edges: 15
- Interval anomalies: 1
- Valid-time bounds: inclusive; date granularity; null end means open-ended in the upstream history row; not independent proof of present control.
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00.

## Assessment signals

1. **SAFETY — 7 since 2021:** Accidents and injuries 58 historical accident/injury rows; 0 coded fatalities and 676 lost days across the published record.
2. **COMPLIANCE — 94 since 2021:** Violations and penalties 453 violation rows across the full record; 148 carry an S&S flag and $197,791 appears in current assessed amounts.
3. **HEALTH — 77 samples:** Occupational health samples 72 personal; 5 area. 0 personal-sample rows have a published C/E ratio above 1; 0 noise rows have an action-level or PEL dose above 100%. These are separate measures, not a silica exceedance count. Silica results and sample status are shown separately.
4. **PRODUCTION — 0 tons:** Quarterly production and employment 42K employee hours and 87 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 263 linked rows:** Contests, conferences and decisions 129 contested-violation rows, 129 civil-penalty docket/decision rows, and 5 conference records linked by issuance number.
6. **CONTRACTORS — 10 linked entities:** Contractors Contractors are linked through this mine’s violation or accident records. Their production and hours cover all their operations, so they are not included in this mine’s totals.
7. **INSPECTIONS — 23 since 2021:** Inspections 122 inspection events and 3K published inspection hours across the historical record.

## EIA annual operating context

No matched record in the 2024 EIA coal-public workbook. This may be inapplicable for a non-coal operation.

## Recent Title 30 crosswalk

Snapshot current through 2026-08-19.

- **30 CFR 47.41 — Requirement for container labels.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 56.12030 — Correction of dangerous conditions.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12030
- **30 CFR 56.11001 — Safe access.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-J/section-56.11001
- **30 CFR 47.44 — Temporary, portable containers.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **30 CFR 56.12028 — Testing grounding systems.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-K/section-56.12028
- **30 CFR 56.14100 — Safety defects; examination, correction and records.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14100
- **30 CFR 56.14107 — Moving machine parts.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **30 CFR 56.14109 — Unguarded conveyors with adjacent travelways.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14109

## Source coverage

- **Accident, Injuries, and Illnesses:** 58 rows; 2000-05-16 through 2025-12-24; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 2026-08-24 through 2026-08-24; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 5 rows; 2021-06-30 through 2026-01-15; source ID `msha-area-samples`
- **Assessed Violations:** 451 rows; 2000-05-24 through 2026-08-11; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 129 rows; 2010-04-14 through 2013-09-26; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 5 rows; 2012-07-23 through 2021-10-28; source ID `msha-conferences`
- **Contested Violations:** 129 rows; 2009-01-06 through 2012-08-08; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 687 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 143 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 8 rows; 1950-01-01 through 2013-01-01; source ID `msha-controller-operator-history`
- **Inspections:** 122 rows; 2000-05-22 through 2026-08-11; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 212 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 54 rows; unknown through unknown; source ID `msha-mine-production-yearly`
- **Mines:** 1 rows; unknown through unknown; source ID `msha-mines`
- **Metal and Nonmetal Personal Health Samples:** 72 rows; 2001-08-23 through 2026-01-14; source ID `msha-personal-health-samples`
- **Violations:** 453 rows; 2000-05-24 through 2026-08-11; source ID `msha-violations`

## Caveats

- This is public-record decision support, not legal advice or an official MSHA record.
- Missing data can indicate no event, publication delay, an unresolved identity, or inapplicability.
- Contractor production data is entity-level and is not attributed to this mine.

## Alternate representations

- HTML: `/mines/the-feldspar-plant-3100354`
- JSON: `/api/v1/mines/the-feldspar-plant-3100354`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3100354/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3100354/relationships`
- MCP resource: `mine://3100354/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`
