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Historians use coins, inscriptions, and manuscripts for reconstructing the history of ancient period. Very few original manuscripts are available and manuscripts which are available are the reproduction of scribes and some times information provided in these sources are not reliable. As scribe fails to understand the information given in the Historical text which led to the misinterpretation of facts. And moreover there is a lack of continuity as text do not follow time line.
In Medieval period use of paper to issue Royal orders began instead of inscriptions. As paper has less durability than inscription caused the discontinuity in the availability of historical source.
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Is the lehmann discontinuity 220 km beneath the Gutenberg discontinuity?
No, the Lehmann discontinuity is believed to be located between 220 km and 260 km beneath the Earth's surface. The Gutenberg discontinuity, on the other hand, sits at a depth of around 2,900 km.
The seismic discontinuity at the base of the crust is known as?
The seismic discontinuity at the base of the crust is known as the Mohorovičić discontinuity, or Moho for short. It marks the boundary between the Earth's crust and the underlying mantle, where seismic waves experience a sudden change in velocity.
How is the crust separated from mantel?
The crust and the mantle are separated by the Mohorovičić discontinuity, also known as the Moho. This is a boundary that marks the change in composition and density between the Earth's crust and mantle. Seismic waves help scientists study and understand this separation.
mohorovicic discontinuity?
interface between the crust and the upper mantle
The Gutenberg Discontinuity is found beneath this layer of the lithosphere?
The Gutenberg Discontinuity is found beneath the Mohorovičić discontinuity (Moho) in the lithosphere. It is located at a depth of about 70 km to 400 km below the Earth's surface. This boundary separates the upper mantle from the lower mantle.
