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Showing posts with the label @sggeology

Introducing Structural Geology

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Introducing Structural Geology      In fact, structural geology is a very interesting branch of the earth sciences that deals with physical forces playing out in the building of the crust of our planet. Structural geology makes evident the dynamic forces that have acted on the Earth itself throughout millions of years-from the complex folds in ancient rocks to those proud peaks. Journey through Time: Historical Background Sketch by Leonardo da Vinci showing details of folded strata in the mountains of Italy (ca. 1500 AD)      Discovery concerning structural geology is so much improved over years. From his observations of rock layers, Nicholas Steno noted as early as the 17th century that they were not always horizontal, conferring the revelation that these rocks had deformed. This was revolutionary and laid the foundation for the future work in geological exploration.      In the 19th century, G.P. Scrope suggested that mountains had been pro...

JAM GG Previous year, JAM GG 2018 - I

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The idea of the continental drift: strengths and weaknesses

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   An enlightening passage of discovery of the Dynamic Earth A Look at Continental Drift Theory and Its Flaws Hypothesis about continental drift put forward by the distinguished scholar Alfred Wegener was the memorable concept that declared the immovable character of the Earth’s continents. According to Wegener’s theory there was movement in the later of the continents and therefore the formation of some and the breaking up of others. Nonetheless, Wegener’s theory came under criticism compelling the scientific community to look for the mechanism driving this movement. The scientific community of that time could not comprehend the forces that can lead to such gigantic movements of the earth’s surface and due to this reason, a shift in the benchmark was not acknowledged.   The Birth of Plate Tectonics The rejection of Wegener's continental drift theory paved the way for the development of a more comprehensive and scientifically sound concept: It depends on the b...

Exploring the Depths of the Mariana Trench

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The ocean’s trench of the deepest area of the earth This huge expanse that is more than seventy percent of the earth’s surface is perhaps one of the most fascinating but least explored domain that is the ocean. Within this vast sea, there is a geological formation that can completed be termed as awe-inspiring and that is the Mariana trench. This immense underwater chasm which stands 1,500 miles long with depths that are approximately six and a half miles deep is living proof of forces that mould the Earth. Plunging into the Unknown The Mariana Trench is an eye opener as a testament of how big our world is and how strong it can be. Owing to the tectonic plate activity, this trench is the product of the Pacific plate underthrusting the Mariana plate; it’s the world’s deepest point in the oceans. This size can be named as truly immense, as even the highest peak in the entire world – Mount Everest – if placed in the trench, would be covered by water at least by one mile. Describing...

Elephant Rock

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  Elephant Rock & Other Unforgettable Features Geology is the branch of earth sciences that involves the physical aspects and composition of the earth, which best portrays the amazing narratives contained in earth’s features. Starting from the massive mountain chains down to the lines and other delicate forms chiselled out on the surface of rocks it’s an incredible story told by the Earth’s crust. In this blog I would like to tell the story of Elephant Rock and many other stunning features that attract the attention of travelers, researchers, and lovers of the natural world. Elephant Rock: The Sandstone As A Majestic Piece Consider a gigantic monolithic rock with a stem-like division rising up in the air as if in a noble act. This is the Elephant Rock, a formation of rocks carved by nature and very famous all over the world; let me explain how you can also benefit from it. Place is situated in splendid area of San Francisco and Elephant Rock is actually one of the best exam...

Reed Flute Cave

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One of the natural wonders of Guangxi located in the southern part of China.      This is one of the marvels found in China specifically the Guangxi Zhuang Autonomous Region located in the province of Guilin and is a beauty carved out the magnificent and famous karst formation floral arrangement. This is one of the oldest limestone caves found to be thousands of years old attracts people from all over the world letting them enjoy the natural beauty of the place along with its geological wonders.      The Reed Flute Cave provides existing proofs that when it comes to the force of nature and geological evolution, it takes thousands of years for the whole artistic process to be done. Erosion by water in a subterrainian manner over time and generations produced this natural Kanin’g system. The limestone that forms the cave walls and structures was formed from the earlier seabed with contribution from water for many hundreds of centuries.      The...

JAM GG Previous year Question III

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JAM GG Previous year Question II

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JAM GG previous year question Try it Quiz

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