Question

Continental crust Example:Chocolate Hills

Answer 1

The Chocolate Hills are considered to be a remarkable example of conical karst topography. ... The unique land form known as the Chocolate Hills of Bohol was formed ages ago by the uplift of coral deposits and the action of rain water and erosion

Answer 2

The geological continents and the shallow seabed areas near their shores, referred to as continental shelves. Some more information about continental crust:

• They are formed by a layer of volcanic, metamorphic, and sedimentary rocks known as the continental crust. Because of its bulk composition, which is richer in aluminium silicates and has a lower density than the oceanic crust, known as sima.
• Other layer which is richer in magnesium silicate  minerals, is occasionally referred to as sial.
• Seismic wave velocity variations have revealed that there is a rather significant contrast between the more felsic top continental crust and the more mafic lower continental crust at a particular depth (the Conrad discontinuity).
• In the Philippine province of Bohol, there is a geological structure known as the Chocolate Hills. Over a region of more than 50 square kilometres, there are at least 1,260 hills, but there could be as many as 1,776.
• The name comes from the green grass that covers them, which turns brown during the dry season.

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