Geologic units in Wood county, Texas

Queen City Sand (Eocene) at surface, covers 42 % of this area

Queen City Sand

Wilcox Group, undivided (Paleocene to Eocene) at surface, covers 14 % of this area

Wilcox Group, undivided

Reklaw Formation (Eocene) at surface, covers 11 % of this area

Reklaw Formation

Alluvium (Holocene) at surface, covers 10 % of this area

Alluvium

Sparta Sand (Eocene) at surface, covers 8 % of this area

Sparta Sand

Carizzo Sand (Eocene) at surface, covers 8 % of this area

Carizzo Sand

Weches Formation (Eocene) at surface, covers 4 % of this area

Weches Formation

Terrace deposits (Pleistocene and Holocene) at surface, covers 2 % of this area

Terrace deposits