* Oil shale: Latvia has significant reserves of oil shale, a sedimentary rock that can be used to produce oil.
* Peat: Latvia has extensive peat bogs, which are a source of peat, a type of fuel.
* Iron ore: Latvia has deposits of iron ore, which is used to make steel.
* Clay: Latvia has deposits of clay, which is used to make bricks, tiles, and other ceramic products.
* Sand: Latvia has deposits of sand, which is used in construction and other industries.
* Gravel: Latvia has deposits of gravel, which is used in construction and other industries.
* Limestone: Latvia has deposits of limestone, which is used to make cement and other building materials.
* Dolomite: Latvia has deposits of dolomite, which is used to make cement and other building materials.