Key Takeaway

G E M Materials Inc is a active surface mine producing SandAndGravel, located in Selma, Bexar County, TX. It has 79 violations on record (14 S&S) and $9K in proposed penalties. Operated by G E M Materials Inc.

G E M Materials Inc

Active Surface SandAndGravel

Operator: G E M Materials Inc

Controller: Janice Friesenhahn

Location: Selma, Bexar County, TX

Employees: 7

79
Violations
14
S&S Violations
0
Accidents
$9K
Penalties

Recent Violations

View all 79 →
Date Section S&S Negligence Penalty
10/01/2025 56.14100(b) Non-S&S ModNegligence $151
10/01/2025 56.4200(a)(2) Non-S&S ModNegligence $151
10/01/2025 56.4500 Non-S&S ModNegligence $151
10/01/2025 56.4200(a)(2) Non-S&S ModNegligence $151
10/01/2025 56.4200(a)(2) Non-S&S ModNegligence $151
10/01/2025 56.4130(b) Non-S&S ModNegligence $151
10/01/2025 56.14100(b) Non-S&S ModNegligence $151
10/01/2025 56.14100(b) S&S ModNegligence $151
02/20/2025 56.9300(a) Non-S&S ModNegligence $151
08/15/2024 56.4201(a)(2) Non-S&S ModNegligence $147
08/02/2023 56.14132(a) S&S ModNegligence $407
08/02/2023 56.14100(b) S&S ModNegligence $143
11/17/2022 46.4(a)(1) Non-S&S ModNegligence $133
11/16/2022 56.4101 Non-S&S ModNegligence $133
11/16/2022 47.44(b) Non-S&S ModNegligence $133
11/16/2022 46.11(a) Non-S&S ModNegligence $133
09/19/2022 56.14100(b) Non-S&S ModNegligence $133
10/05/2021 56.12018 Non-S&S LowNegligence $125
06/10/2021 56.14130(g) Non-S&S ModNegligence $125
03/03/2021 56.9300(b) Non-S&S ModNegligence $125

Inspections

View all 61 →
Begin End Hours Inspectors
10/06/2025 10/14/2025 9.25 1
10/01/2025 10/02/2025 15.00 1
05/08/2025 05/08/2025 6.00 1
02/19/2025 02/24/2025 13.25 1
08/14/2024 08/16/2024 19.50 1
02/22/2024 02/26/2024 12.50 1
08/02/2023 08/04/2023 21.50 1
11/15/2022 11/17/2022 16.75 1
09/17/2022 09/19/2022 14.00 1
10/05/2021 10/05/2021 6.25 1

Mine Details

MSHA Mine ID4101903
Mine TypeSurface
StatusActive
CommoditySandAndGravel
SIC DescriptionConstruction Sand and Gravel
Employees7
Days/Week5.0
Hours/Shift9.0
Coordinates29.9683330, -98.3033330
Nearest TownSelma

Frequently Asked Questions

How many MSHA violations does G E M Materials Inc have?

G E M Materials Inc has 79 MSHA violations on record, of which 14 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $9K.

What type of mine is G E M Materials Inc?

G E M Materials Inc is a Surface mine producing SandAndGravel, located in Selma, Bexar County, TX. It currently has 7 employees.

Has anyone been injured or killed at G E M Materials Inc?

According to MSHA records, G E M Materials Inc has 0 reported accident/injury records and 0 fatalities on file.

Who operates G E M Materials Inc?

G E M Materials Inc is operated by G E M Materials Inc and controlled by Janice Friesenhahn. MSHA Mine ID: 4101903.