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zRock Order

Class: Mineral-Sulfide

None

Dolomite

Formation: (Wilberns) - San Saba
Burnet County | lnup900
Dolomite - None

Hickory Formation

Formation: Riley - Hickory
Llano County | lnup886
Hickory Formation - None

Hickory Formation

Formation: Riley - Hickory
Llano County | lnup887
Hickory Formation - None

Hickory Ripples

Formation: Riley - Hickory
Gillespie County | lnup882
Hickory Ripples - None

Hickory Sandstone

Formation: Riley - Hickory
Gillespie County | lnup883
Hickory Sandstone - None

Hickory Sandstone

Formation: Riley - Hickory
Gillespie County | lnup884
Hickory Sandstone - None

Hickory Sandstone

Formation: Riley - Hickory
Gillespie County | lnup885
Hickory Sandstone - None

Hickory Sandstone Fault

Formation: Riley - Hickory
Llano County | lnup881
Hickory Sandstone Fault - None

Hoover Point

Formation: (Wilberns) - Welge
Burnet County | lnup896
Hoover Point - None

Hoover Point

Formation: (Wilberns) - Morgan Creek
Burnet County | 897
Hoover Point - None

Interbedded Limestone and Shale

Formation: Marble Falls
Mason County | lnup901
Interbedded Limestone and Shale - None

Interbedded Limestone and Silt

Formation: (Wilberns) - Point Peak
Burnet County | lnup899
Interbedded Limestone and Silt - None

Large Pyrite

Formation: Eagle Ford/Atco
Ellis County | MID-792
Large Pyrite - None

Lion Mountain Ripples

Formation: Riley - Lion Mountain
Burnet County | lnup898
Lion Mountain Ripples - None

Lion Mountain Sandstone

Formation: Riley - Lion Mountain
Mason County | lnup876
Lion Mountain Sandstone - None

Lion Mountain Sandstone

Formation: Riley - Lion Mountain
Mason County | lnup877
Lion Mountain Sandstone - None

Lion Mountain Sandstone

Formation: Riley - Lion Mountain
Mason County | lnup878
Lion Mountain Sandstone - None

Lion Mountain Sandstone

Formation: Riley - Lion Mountain
Mason County | lnup879
Lion Mountain Sandstone - None

Lion Mountain Sandstone

Formation: Riley - Lion Mountain
Mason County | lnup880
Lion Mountain Sandstone - None

Pyrite

Formation: Eagle Ford/Atco
Ellis County | MID-801
Pyrite - None

Pyrite

Formation: Eagle Ford/Atco
Ellis County | MID-802
Pyrite - None

San Saba Formation

Formation: (Wilberns) - San Saba
Gillespie County | lnup871
San Saba Formation - None

San Saba Formation

Formation: (Wilberns) - San Saba
Gillespie County | lnup872
San Saba Formation - None

San Saba Sandstone

Formation: (Wilberns) - San Saba
Mason County | lnup888
San Saba Sandstone - None

Tilted Beds

Formation: Marble Falls
Mason County | lnup902
Tilted Beds - None

Trilobite Coquina?

Formation: (Wilberns) - Point Peak
Burnet County | lnup562
Trilobite Coquina? - None

Trilobite Coquina?

Formation: (Wilberns) - Point Peak
Burnet County | lnup563
Trilobite Coquina? - None

Welge Sandstone

Formation: (Wilberns) - Welge
Burnet County | lnup894
Welge Sandstone - None

Rock

Limestone

Formation: Santa Elena
Brewster County | 173
Limestone - Big Bend