Question

information about rocks found in Nagaland and Manipur


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Answer 1

Answer:

Given :

Lateral surface area of cube = 2400 sq.m

To Find :

The surface area of cube

Solution :

Lateral surface area of cube is givem by ,

\begin{gathered} \\ \star \: {\boxed{\red{\sf{LSA_{(cube)} = 4 {s}^{2} }}}} \\ \\ \end{gathered}

⋆

LSA

(cube)

=4s

2

Here ,

s is side of the cube

We have ,

LSA = 2400 sq.m

Substituting the value we have in the formula ,

\begin{gathered} \\ : \implies \sf \:2400 \: {m}^{2} = 4 {s}^{2} \\ \\ \end{gathered}

:⟹2400m

2

=4s

2

\begin{gathered} \\ : \implies \sf \: \frac{2400 \: {m}^{2} }{4} = {s}^{2} \\ \\ \end{gathered}

:⟹

4

2400m

2

=s

2

\begin{gathered} \\ : \implies \sf \: 600 \: {m}^{2} = {s}^{2} \\ \\ \end{gathered}

:⟹600m

2

=s

2

\begin{gathered} \\ : \implies \sf \: s = \sqrt{600 \: {m}^{2} } \\ \\ \end{gathered

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Answer 2

Answer:

The Naga Metamorphics/Saramati Formation are the oldest rocks in Nagaland and consider to be pre- Mesozoic( older than 245 million years ) or even proterozoic ( older than 550 million years ). They consist of metamorphosed sedimentary rock such as Schist , Quartzite, Marble, Phyllite and Gneisses.

Minerals in Manipur are mainly confined to certain types of rocks such as ophiolite suite, Oceanic Pelagic Sediment (OPS) and melanges in the Ophiolite Belt. Amongst these, chromite, limestone and serpentinites (as dimensional stone) are important for immediate exploitation

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