What metal is found in shale?
Ore Deposits in Shales Shales, especially those that contain appreciable quantities of organic carbon, have long been known to be enriched with a variety of transition metals, especially Mo, Zn, Ni, Cu, Cr, V, Co, Pb, U, and Ag (Vine and Tourtelot, 1970).
What is nodules in sedimentary rocks?
In sedimentology and geology, a nodule is a small, irregularly rounded knot, mass, or lump of a mineral or mineral aggregate that typically has a contrasting composition, such as a pyrite nodule in coal, a chert nodule in limestone, or a phosphorite nodule in marine shale, from the enclosing sediment or sedimentary …
What type of rock is nodules?
Nodule (geology) Nodules are typically solid replacement bodies of chert or iron oxides formed during diagenesis of a sedimentary rock. Nodules may be hollow as geodes or vugs or filled with crystals and intricate geometric shrinkage patterns as in septarian nodules.
Is shale a metal?
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals and tiny fragments (silt-sized particles) of other minerals, especially quartz and calcite. Shale is characterized by its tendency to split into thin layers (laminae) less than one centimeter in thickness.
What is shale good for?
Shale is commercially important. It is used to make brick, pottery, tile, and Portland cement. Natural gas and petroleum may be extracted from oil shale.
How do you tell if a rock is a nodule?
A nodule rock is a solid rock with no hollow center. So unlike geodes, the interior of a nodule rock contains no empty space. It does, however, contain minerals. Nodule rocks are harder than the rocks that surround them.
What is a fossil nodule?
The formation of nodules within sediments is often vital for good fossil preservation. Nodules are rounded lumps of hard stone found within mudstones and limestones, which are often small but may reach metres in size. They are clearly distinct from the surrounding rock known as matrix.
What are chert nodules?
Nodules of chert are rounded to elongated silica-rich lumps that occur within sequences of limestones (commonly chalk and calcilutites). They originate from the diagenesis of an original silica-rich carbonatic ooze, containing remains of organisms like radiolarians or diatoms, which produce shells made of silica.
What is a nodule in geology?
In sedimentology and geology, a nodule is a small, irregularly rounded knot, mass, or lump of a mineral or mineral aggregate that typically has a contrasting composition, such as a pyrite nodule in coal, a chert nodule in limestone, or a phosphorite nodule in marine shale, from the enclosing sediment or sedimentary rock.
What is shale?
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals and tiny fragments ( silt -sized particles) of other minerals, especially quartz and calcite. Shale is characterized by its tendency to split into thin layers ( laminae) less than one centimeter in thickness. This property is called fissility.
How will the Metals Company process its nodules?
The Metals Company plans to lift polymetallic nodules to the surface, take them to shore, and process them with near-zero solid waste, no tailings or deforestation, and with careful attention not to harm the integrity of the deep-ocean ecosystem.
What is the color of mud shale?
Kerogen is that Mud Shale when laminated Shales are composed of silt, clay minerals and quartz grains. Generally typically crey color. In some cases the color of the rock is different. A minor constituents alters the color of the rock.