# K-T Feldspar Plant

- **MSHA mine ID:** 3101334
- **Status:** Active
- **Type / commodity:** Facility / Feldspar
- **Location:** Mitchell, NC
- **Operator:** The Quartz Corp USA
- **Controller:** Imerys S A; Norsk Mineral AS
- **Public source rows linked:** 2,000
- **Source coverage:** 16 / 20
- **Generated:** 2026-10-17T06:17:15.228Z

## Current entity hierarchy

**Imerys S A; Norsk Mineral AS (0099849) → The Quartz Corp USA (L18340) → K-T Feldspar Plant (3101334)**

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

## Controller and operator valid-time history

- **Indusmin Ltd → Indusmin Inc:** 1950-01-01 through 1990-12-31; derived from co-tenure at mine 3101334; source `msha-controller-operator-history`.
- **Hecla Mining Company → K-T Feldspar Corp:** 1991-01-01 through 2001-03-27; derived from co-tenure at mine 3101334; source `msha-controller-operator-history`.
- **Imerys S A → The Quartz Corp USA:** 2001-03-28 through 2011-03-31; derived from co-tenure at mine 3101334; source `msha-controller-operator-history`.
- **Imerys S A  et al → The Quartz Corp USA:** 2011-04-01 through current/open; derived from co-tenure at mine 3101334; source `msha-controller-operator-history`.
- **Norsk Mineral AS  et al → The Quartz Corp USA:** 2011-04-01 through current/open; derived from co-tenure at mine 3101334; source `msha-controller-operator-history`.

- History rows: 5
- Typed edges: 12
- Interval anomalies: 0
- 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: 2026-10-17T05:35:58.500035+00:00.

## Assessment signals

1. **SAFETY — 5 since 2021:** Accidents and injuries 43 historical accident/injury rows; 0 coded fatalities and 136 lost days across the published record.
2. **COMPLIANCE — 133 since 2021:** Violations and penalties 294 violation rows across the full record; 69 carry an S&S flag and $161,514 appears in current assessed amounts.
3. **HEALTH — 94 samples:** Occupational health samples 86 personal; 8 area. 7 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 23K employee hours and 48 summed average employees across reported subunits in the latest published quarter.
5. **LEGAL — 96 linked rows:** Contests, conferences and decisions 46 contested-violation rows, 44 civil-penalty docket/decision rows, and 6 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 — 39 since 2021:** Inspections 120 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 56.18002 — Examination of working places.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-Q/section-56.18002
- **30 CFR 56.14107 — Moving machine parts.** (4 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-M/section-56.14107
- **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 47.41 — Requirement for container labels.** (2 retained recent rows) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.41
- **30 CFR 47.44 — Temporary, portable containers.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-H/part-47/subpart-E/section-47.44
- **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 56.13021 — High-pressure hose connections.** (1 retained recent row) — https://www.ecfr.gov/current/title-30/chapter-I/subchapter-K/part-56/subpart-L/section-56.13021

## Source coverage

- **Accident, Injuries, and Illnesses:** 43 rows; 2000-01-07 through 2026-06-10; source ID `msha-accidents`
- **Addresses of Record:** 1 rows; 1991-01-01 through 1991-01-01; source ID `msha-addresses`
- **Metal and Nonmetal Area Samples:** 8 rows; 2017-07-25 through 2026-01-15; source ID `msha-area-samples`
- **Assessed Violations:** 293 rows; 2000-02-02 through 2026-07-31; source ID `msha-assessed-violations`
- **Civil Penalty Dockets and Decisions:** 44 rows; 2008-08-13 through 2020-03-18; source ID `msha-civil-penalty-dockets-decisions`
- **Conferences:** 6 rows; 2007-07-24 through 2026-03-20; source ID `msha-conferences`
- **Contested Violations:** 46 rows; 2007-06-05 through 2019-07-16; source ID `msha-contested-violations`
- **Contractor Employment and Production — Quarterly:** 761 rows; unknown through unknown; source ID `msha-contractor-production-quarterly`
- **Contractor Employment and Production — Yearly:** 175 rows; unknown through unknown; source ID `msha-contractor-production-yearly`
- **Controller and Operator History:** 5 rows; 1950-01-01 through 2001-03-28; source ID `msha-controller-operator-history`
- **Inspections:** 120 rows; 2000-01-31 through 2026-08-26; source ID `msha-inspections`
- **Mine Employment and Production — Quarterly:** 36 rows; unknown through unknown; source ID `msha-mine-production-quarterly`
- **Mine Employment and Production — Yearly:** 81 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:** 86 rows; 2001-11-07 through 2025-12-18; source ID `msha-personal-health-samples`
- **Violations:** 294 rows; 2000-02-02 through 2026-07-31; 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/k-t-feldspar-plant-3101334`
- JSON: `/api/v1/mines/k-t-feldspar-plant-3101334`
- Silica records, units, sample status and quarterly means: `/api/v1/mines/3101334/silica` (snapshot year by default; `?year=all` for history; `&format=csv` for all matching rows)
- Relationship JSON: `/api/v1/mines/3101334/relationships`
- MCP resource: `mine://3101334/assessment`
- Complete Title 30 corpus: `/data/title30-sections.json`