4D twin · seismic-tied
Heidelberg Midlothian
Heidelberg Materials · Ellis County, TX · site LTH-HEIDELBERG-MIDLOTHIAN
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230 m NAVD88 · Vp low —— high
Ore–seismic crosswalk
Each shell is tied to the survey that would image it. Desk compilation from published USGS / industry methods — not the operator’s confidential cube. Not a reserve.
| Ore shell | Survey | Method | Year | Tie | Vp m/s |
|---|
PhD geological read
User-initiated. Grounded in MCS 2026, the mapped ore shells, and the seismic crosswalk. Not a reserve.
Austin Chalk limestone. Texas I-35 corridor kiln with finish mill serving DFW ready-mix.
Capacity
Workforce220
Nameplate2,400,000 tpy
Utilization84%
Effective2,016,000 tpy
t / person-year10,909
Landform is site-typed: porphyry pit, block cave, underground vein/reef, Carlin, gravel, quarry. Seismic fences are Vp-banded.