Question

Стабильный структурный элемент земной коры, не подверженный тектоническим движениям

Answer 1

Платформа - стабильный структурный элемент......

Answer 2

Stable Structural Element of the Earth's Crust Not Subject to Tectonic Movements

A stable structural element of the Earth's crust that is not subject to tectonic movements is known as a craton. Cratons are large, stable portions of the Earth's lithosphere that have remained relatively unchanged for billions of years. They are characterized by thick and stable continental crust, which is composed of ancient rocks that have undergone minimal deformation.

Cratons are typically found in the interiors of continents and are considered the oldest and most stable parts of the Earth's crust. They are often associated with regions of low seismic activity and are not prone to significant tectonic movements such as earthquakes or mountain building.

Cratons are composed of two main components: the shield and the platform. The shield is the central, stable core of the craton and is made up of ancient rocks, including granite and gneiss. The platform surrounds the shield and consists of sedimentary rocks that have accumulated over time.

The stability of cratons is attributed to their thick and buoyant continental crust, which resists deformation and sinking into the underlying mantle. Additionally, cratons are often located in the middle of tectonic plates, away from plate boundaries where most tectonic activity occurs.

It is important to note that while cratons are generally stable, they can still experience some minor tectonic activity, such as slow vertical movements or localized faulting. However, these movements are relatively insignificant compared to the large-scale tectonic processes observed at plate boundaries.