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Shrimp, clams, mussels and scallops are also excellent sources of iron. White beans (and other legumes) A cup of canned white beans provides about 8 mg of iron, covering most of the daily needs ...
In mineralogy, an inclusion is any material trapped inside a mineral during its formation. In gemology , it is an object enclosed within a gemstone or reaching its surface from the interior. [ 1 ] According to James Hutton 's law of inclusions, fragments included in a host rock are older than the host rock itself.
Essentially, this law states that clasts in a rock are older than the rock itself. [1] One example of this is a xenolith, which is a fragment of country rock that fell into passing magma as a result of stoping. Another example is a derived fossil, which is a fossil that has been eroded from an older bed and redeposited into a younger one. [2]
Iron deficiency, or sideropenia, is the state in which a body lacks enough iron to supply its needs. Iron is present in all cells in the human body and has several vital functions, such as carrying oxygen to the tissues from the lungs as a key component of the hemoglobin protein, acting as a transport medium for electrons within the cells in the form of cytochromes, and facilitating oxygen ...
To be considered a true xenolith, the included rock must be identifiably different from the rock in which it is enveloped; an included rock of similar type is called an autolith or a cognate inclusion. Xenoliths and xenocrysts provide important information about the composition of the otherwise inaccessible mantle.
After the discovery in the grave at Ekaluit, Steenstrup found many large outcrops of basalt containing the type 2 iron. Since the type 2 grains are embedded within volcanic basalt that matches the underlying bedrock, Steenstrup was able to show that the iron was from terrestrial, or telluric, sources. [7] In his report, Steenstrup added,
Iron-deficiency anemia affected about 1.48 billion people in 2015. [6] A lack of dietary iron is estimated to cause approximately half of all anemia cases globally. [12] Women and young children are most commonly affected. [3] In 2015, anemia due to iron deficiency resulted in about 54,000 deaths – down from 213,000 deaths in 1990. [7] [13]
Cast iron development lagged in Europe because wrought iron was the desired product and the intermediate step of producing cast iron involved an expensive blast furnace and further refining of pig iron to cast iron, which then required a labor and capital intensive conversion to wrought iron. [11] Through a good portion of the Middle Ages, in ...