Continental crust
id:
continental-crust-220-3958523
title:
Continental crust
text:
Continental crust is the layer of igneous, metamorphic, and sedimentary rocks that forms the geological continents and the areas of shallow seabed close to their shores, known as continental shelves. This layer is sometimes called sial because its bulk composition is richer in aluminium silicates (Al-Si) and has a lower density compared to the oceanic crust, called sima which is richer in magnesium silicate (Mg-Si) minerals. Changes in seismic wave velocities have shown that at a certain depth,
brand slug:
wiki
category slug:
encyclopedia
description:
Layer of rock that forms the continents and continental shelves
original url:
https://en.wikipedia.org/wiki/Continental_crust
date created:
2004-05-23T03:46:08Z
date modified:
2024-09-13T16:19:51Z
main entity:
{"identifier":"Q858571","url":"https://www.wikidata.org/entity/Q858571"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/e/e7/Continental_and_oceanic_crust.png","width":952,"height":577}
fields total:
13
integrity:
16