a shaft mine
Open Pit Mining
It helps because seismic tomography is a technique used to look beneath Earth's crust so, they can technically "see" where oil deposits are located.
Relative Dating is the technique used to determine the age of rock deposits by natural forces.
Wulfenite is an orange mineral, also known as lead molybdate, chemical formula PbMoO4, which is found in lead veins.
Limestone is the sedimentary rock that is used to make cement. Some limestone is made of old coral reefs that have been buried by deposits.
A shaft mine is used to mine ore diposites from veins.
Usually a shaft mine would be used, unless the ore deposits were in a "vein", then a open-pit mine would be used.
A shaft mine.
Open Pit Mining
Lithuania has no metal or coal deposits. There is some crude oil deposits in the western part of the country, but they are not actively used. Other than that, there are a few places for mining (well, digging, actually) peat and quartz sand. If anybody has additional information please update me on this.
Because veins are closer to the skin.
The superficial veins of the upper extremities are best for cannulation.
Worldwide, we have found enought to fill a football stadium (300 ft by 160 ft), 2 1/2 feet deep. A map with the distribution of gold can be seen at mapmatters.org. On earth's surface it is mostly found in "veins". You can see Wikipedia "Veins (Geology) about those. The largest gold mine in the world is mainly used as a copper mine with gold being a secondary finding.
Copper can be found naturally in copper deposits/veins in the Earth's crust and in molecules that contain other atoms. Copper is used for many purposes by humans, such as jewellery, the creation of bronze (copper+tin), the creation of metal alloys, and many other uses.
How did they used to coal mine
gold
Payroll deposits