Excavated coal is commonly referred to as "mined coal."
The archaeologists excavated the site and uncovered ancient artifacts buried deep underground.
An archaeological site can be called many things. If it is in the process of being excavated it is either and excavation site or and archaeological site. It the site has already been excavated and has cultural significance it may become a National Heritage site.
Excavation is a noun and so doesn't have a past tense.The past tense of excavate is excavated.
A conservator archaeologist specializes in the preservation and protection of excavated objects. They use specialized techniques and materials to ensure that artifacts remain intact for future study and display. Ultimately, their work helps to safeguard cultural heritage for future generations.
Various materials are dug up during excavation, depending on the specific project. Common materials include soil, rocks, clay, sand, gravel, and sometimes archaeological artifacts. In construction projects, materials like asphalt, concrete, and pipelines may also be excavated.
The archaeologists excavated the site and uncovered ancient artifacts buried deep underground.
Coal reserves are discovered through exploration activities such as creating a geological map, then carrying out geochemical and geophysical surveys, followed by exploration drilling. Once coal is found it is mined and excavated for use.
They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.They have excavated about 3/4 of the city.
The space is usually called a chase in the US.
Coal Bunker, Coal scuttle, Coal hod
Raw Chicken.
A coal seam
coal seam
== An ore would be a rock formation rich enough in particular minerals to be economically excavated and extracted for those particular minerals or elements. The extraction of minerals is not the predominant purpose of coal excavation. The main use of coal is for generation of power through burning. Rather than an ore it is considered a fuel.
A soft brown coal with less moisture is called bituminous coal.
The correct spelling for "excavated" is E-X-C-A-V-A-T-E-D.
Metamorphosed coal is called Anthracite.