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।
gabbro
This term is a technical geological classification used to describe a specific type of plutonic rock. It is characterized by a coarse, crystalline appearance that indicates slow cooling deep beneath the Earth's surface, distinguishing it from its volcanic equivalent, basalt, which has a fine-grained texture due to rapid cooling.
In professional discourse, the word carries a neutral, descriptive connotation. It is almost exclusively used within the fields of petrology and geology to specify chemical composition and textural properties of the oceanic crust or continental intrusions.
Meanings
Examples
The outcrop consists mainly of gabbro and diorite.
The deep crustal layers are often composed of gabbro.
I can see clear crystals of pyroxene in this piece of gabbro.
The region is known for its massive gabbro intrusions.
This dark rock is definitely gabbro given its coarse grain.
We found a vein of chromite within the gabbro layer.