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Manganese nodule is what kind of sediment?
Manganese nodules are polymetallic concretions found on the ocean floor and are formed through a slow process of precipitation and accumulation of manganese and other metals. They are a type of sediment known as hydrogenous sediment, as they form directly from seawater and not from the breakdown of rocks or organic materials.
How do hydrogenectic manganese nodule form?
Hydrogenetic manganese nodules form over millions of years through the precipitation of metals out of seawater onto small particles or other nodules on the ocean floor. Manganese and other metals accumulate on the nodules as a result of chemical reactions driven by the presence of hydrogen in the deep-sea environment. These nodules grow at very slow rates, about 1-10 millimeters per million years.
What has the author Bruce Preston Finney written?
Bruce Preston Finney has written: 'Paleoclimatic influence on sedimentation and manganese nodule growth during the past 400,000 years at MANOP Site H (eastern equatorial Pacific)' -- subject(s): Paleoclimatology, Manganese nodules
What is manganese's reaction to oxygen?
Metallic manganese reacts with oxygen to form manganese oxide (MnO), which can further react with oxygen to form higher oxidation states of manganese such as manganese dioxide (MnO2) or manganese trioxide (Mn2O3) depending on the conditions. These oxides play important roles in various industrial processes and are used in the production of batteries, ceramics, and fertilizers.
Manganese coloured compounds?
Manganese can form colored compounds such as manganese dioxide (black), manganese chloride (pale pink), and manganese sulfate (pale pink to light pink). These colors are due to the electronic structure of manganese ions in these compounds.
What is the oxidation state for manganese in Mn?
The oxidation state for manganese in Mn is 0, since it is in its elemental form.
Chemical formula for manganese and Chlorine?
The chemical formula for manganese is Mn and for chlorine is Cl. When these two elements combine, they can form various compounds such as manganese(II) chloride (MnCl2) or manganese(IV) chloride (MnCl4), depending on the oxidation state of manganese.
What is an isthmal nodule found in the thyroid gland?
It is a mistake. The isthmus of the thyroid gland is a thin bridge across the trachea, linking the right and left lobes. It occasionally also gives rise to the pyramidal lobe, a normal variant of thyroid anatomy. The adjectival form of isthmus is isthmic, so a nodule in the thyroid isthmus is an isthmic nodule, not an isthmal nodule.
Can manganese rust?
Manganese itself does not rust, as rust is a form of iron oxide that occurs when iron reacts with oxygen in the presence of water. However, manganese can undergo oxidation and form its own compounds when exposed to certain conditions, but this is not the same as rusting.
What happens when mangnese touches water?
When manganese touches water, a chemical reaction occurs where manganese may oxidize to form manganese oxide. The reaction can produce hydrogen gas and soluble manganese compounds in water.
What does manganese dioxide dissolve in?
Manganese is a metal. It is not soluble in water.
What has the author Robert J Moore written?
J. Robert Moore has written: 'Identification of technologic gaps in exploration of marine ferromanganese deposits' -- subject(s): Ferromanganese, Manganese nodules, Manganese ores, Marine mineral resourcees, Prospecting 'Investigation of the sediments and potential manganese nodule resources of Green Bay, Wisconsin' -- subject(s): Manganese nodules, Sediments (Geology)
