লক্ষ্য করুন: এই এন্ট্রির অনুবাদ বর্তমানে মান পর্যালোচনার অধীনে রয়েছে, তাই কিছু বিষয়বস্তু সাময়িকভাবে শুধুমাত্র ইংরেজিতে প্রদর্শিত হচ্ছে।
এই এন্ট্রিটি এখনও আপনার ভাষায় অনুবাদ করা হয়নি, তাই নিচে মূল লেখাটি দেখানো হচ্ছে।
craton
This term is used exclusively within the fields of geology and geophysics to describe the oldest and most stable parts of the continental lithosphere. It carries a connotation of permanence and rigidity, distinguishing these regions from the more tectonically active "mobile belts" that surround them.
In a technical context, a craton is often subdivided into a shield (where the Precambrian rock is exposed at the surface) and a platform (where the rock is covered by younger sedimentary layers). This distinction is crucial for geological mapping and mineral exploration.
Meanings
Examples
The Canadian Shield is a prime example of a stable craton.
Look at the map and identify the ancient craton at the center of the continent.
Most of the worlds oldest rocks are found within a craton.
I wonder if this specific craton has remained undisturbed since the Archean eon.
The stability of the craton prevents significant tectonic deformation in the region.
The stability of the craton prevents significant tectonic deformation in the region.
We need to analyze the seismic data to determine the thickness of the craton root.
Diamonds are often sourced from kimberlite pipes that penetrate through a craton.
Is it true that every major continent has a central craton.