The best geologists in history

  • Nicholas Steno established the principles of stratal superposition and the geological history of the planet.
  • James Hutton formulated the theory of Plutonism and defined the geological cycle.
  • William Smith is known for being the pioneer in biostratigraphy and created the first geological map.
  • Alfred Wegener proposed the theory of continental drift, suggesting that the continents once formed a single supercontinent called Pangaea.

Throughout the history of our planet there have been many changes at the geological level. These changes have been studied thanks to the great contribution that science has made in our society. The person who studies geology is known as a geologist. Throughout the history of mankind there have been geologists who have provided a great deal of valuable information on the evolution and functioning of our planet. Therefore, they have been considered the best geologists in history.

In this article we are going to tell you who the best geologists in history are and what they have contributed to the scientific community.

The best geologists in history

Nicolas Steno

He could not be missing in the group of the best geologists in history. Surely you have ever heard of Nicolas Steno. He is the protagonist of the scientific revolution of the seventeenth century in terms of geology. And this was the first geologist in history. He studied medicine and traveled all over Europe living in Tuscany. Where the first group of scientists arose who were protected by the Grand Duke Fernando II de Medici to carry out their research.

His writing began thanks toa dissection of a shark commissioned by his patrons who led him to publish the Canis carchariae. Thanks to the interpretation of the terrestrial strata and the fossil records he was able to summarize the principles of layering in the famous work Prodomus. The fact is that the strata have a principle of original horizontality and lateral continuity. That is, the substrate above it is younger than the one below it. Like substrates, they have a lateral continuity in time.

Nicolás Steno was the one who showed that our planet had a history that could be identified by reading the rocks. Thanks to this discovery, the modern concept of geological time.

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James hutton

James hutton He was the protagonist of the illustration thanks to his theory of Plutonism. At this time there was Neptunism and catastrophism that were the predominant ideas. This geologist defended the endogenous origin of granites and volcanic rocks. This model was called Plutonism. Thanks to his exploits, he has been included in the group of the best geologists in history.

Later he began to define the concept of the geological cycle and pointed out that geological processes act for a long time and that catastrophes and divine interventions are needed to explain the history of the Earth. He was also the forerunner of actualism and the conception of deep time. Years later this concept would be popularized by Charles Lyell.

As mentioned in some articles, the age of the Earth is thought to be between 4.400 and 5.100 billion years.  This theory is determined through the use of radiometric dating techniques thanks to the information and material that can be extracted from meteorites.  The evidence for this is consistent, so it can be said that this is the origin of the Earth.  In order to explain all the events that have occurred on our planet, actualism is used.  It is the law that is based on the conviction that the events that have occurred throughout history are the same as those that occur in the present.  In this article we are going to point out what actualism is, what its characteristics are and how important it is.  What is actualism? It is a principle issued by James Hutton and further developed by Charles Lyell (link) in which it is established that the processes that have occurred throughout the history of the Earth are similar to those that take place in the present.  Hence this theory is called actualism.  This actualism is also considered catastrophizing.  It is that today's geological characters are suddenly formed in the past thanks to transformations and evolutions.  Some of the most important tools by which actualism and uniformism serve to extract information from our past is the superposition of strata, the faunal succession and the succession of events both in the past and in the evolution of the present.  This law was confirmed in the XNUMXth century and at the beginning of the XNUMXth century.  It was naturalists who were able to verify the facts by examining the Earth's surface.  These naturalists affirmed and supported themselves on these facts in order to understand the genesis of the planet and all its evolution.  Logically it makes sense.  Why are the processes going to change over time?  The patterns of atmospheric changes, soil, geological agents (link), etc.  They are the same ones who acted at the beginning of everything.  You have to notice that before the atmosphere did not have the same composition.  But it is that, to this day, its composition is also being altered.  Perhaps it is the geological time scale (link) that makes us think that before there were other geological events than there are now.  Wind, sea currents, rainfall, storms, etc.  They also occurred when the Earth originated.  For this reason, what currentism defends is that it is these same events that have been transforming the planet and causing it to evolve, but to this day, they are still having an effect and acting.  Genesis The genesis of landforms and sediments were explained in this way by the actions of the water, the wind, and the waves that they monitored and of which they could measure the effects every day.  Those who supported catastrophism, opposed the ideas of actualism, since they defend that great valleys, geological formations and marine basins have taken place through impressive cataclysms that occurred in the past.  They can be found in religious texts such as the Bible and its Deluge that can be explained as responsible for large alluvial layers that flooded the valley floor.  Uniformity also has a place in all this.  It is a geological science whose theories say that the processes that currently exist have occurred gradually.  In addition, they are the cause of the geological characteristics that our planet has.  What uniformism defends is that these processes have been maintained until today without alterations.  Biological actualism It is a principle that sustains the relationship between the living creatures of today and those of the past.  Basically, what biological actualism does is affirm that the processes that living beings carry out today were also carried out in the past.  That none of that has changed so far.  To make it clearer and easier to understand.  If a species breathes and reproduces, it is very likely that these processes also did millions of years ago.  So, if we combine this with geological processes, we will be affirming that the same processes have always been happening and that none of that has changed today.  It is true that these processes have had their nuances, given that living beings have had to adapt to new environments and conditions that geological agents themselves have transformed over the years.  However, although the nuances are changing, the base of the process is respected, that is, it is breathed and they reproduce.  Biological actualism applies to processes such as reproduction and metabolism.  Things are already beginning to change when we talk about the behavior of living beings.  In this case, the processes are more complicated to apply biological actualism.  As individuals adapt to new conditions, we cannot guarantee that it is the same behavior that they have at all times.  Furthermore, it is impossible to deduce the behavior of extinct species and to know if it was similar to those of now, millions and millions of years ago.  For example, before an ice age (link), living beings must modify their behavior in order to adapt to the conditions and survive.  Migration is one of the behaviors that has been maintained throughout the evolution of living beings, since it is a survival instinct to want to find a habitat where they can reproduce and have good living conditions.  Geological history of actualism In order to acquire all the information about what happened throughout history, actualism and uniformitarianism are used, which are defended in the faunal succession, the succession of events and the superposition of strata.  According to the information that can be obtained from the different fossil strata, we have the following: • The position they had with respect to sea level • The temperature at which they lived • The flora and fauna present at that time • The moment when there were large tectonic movements As you can see, science tries to explain how the Earth evolved today.
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Actualism

Willian smith

This scientist was a surveyor who primarily studied the London Basin during the industrial revolution. One of the problems that this man came to be unable to stand out so much is that he had a social level that did not allow him to study at the university. Unable to study at the university, he began to work as a surveyor apprentice, which at that time was a highly valued profession.

Surveyors were of great importance in the coal mines, in the development of the industrial engine and in the construction of canals by which to transport water. In the London Basin, there were simple geological structures with well differentiated levels. He was able to verify the fossils that the layers had when the railway existed. These layers always happened in a defined order. This is how each epoch of the corresponding fossils could be established. Thanks to these fossils it was possible to give a relative age to the strata.

Thanks to this scientist, the supposed birth of the biostratigraphy. He also made the first geological map in history represented on a topographic map. It could be worked in different colors and it was a map that changed the world.

Georges Cuvier
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Georges Cuvier

He was one of the great anatomists of his time and enjoyed great prestige and influence. He not only studied geology but was also in charge of reviewing the knowledge that was had about animals. Georges Cuvier was the founder of paleontology as a science and he was the first to verify important facts. Among these important events were the biological extinctions and catastrophes that have existed on our planet. These are all sudden and terrible events that have altered life on Earth.

The main work of this scientist was the main point of the anti-evolutionist thought of the time. He showed great abilities to be able to rebuild fossils and even from small fragments.

Alfred Wegener and the theory of continental drift
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Charles lyell

Another scientist who belongs to the group of the best geologists in history. He was a lawyer by training and the main person responsible for the dissemination of all ideas about actualism. of Hutton. These ideas indicated that the present is the key to the past. A century after the birth of Charles lyell and it was from Hutton's death that Charles Darwin modeled the principles of geology.

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alfred wegener

They were a German scientist, geophysicist, meteorologist. alfred wegener the developer of the Theory of continental drift. He was mainly trained as an astronomer but later he devoted himself to meteorology. It has gone down in history for being the first to defend the geological hypothesis that consisted of the relation of the drift of the continents. He died frozen in Greenland in 1930, on an expedition where he was looking for evidence to support his hypothesis.

Among the data on which he relied to defend the theory of continental drift mentioned that a single continent existed millions of years ago, which it named Pangea. Over the years, this supercontinent was fragmented and the separation began. In the end, the continents were taking the position they have today. He was also based on some of the fossils he was able to record and on the contours of the present-day continents that fit together with striking similarity.

The theory of continental drift was correct but incomplete. Later it became known thanks to the Tectonic plates that they exist convection currents in the terrestrial mantle that are the ones that cause the movement of the continents. Alfred Wegener could not give proof of why the continents shifted.

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I hope that with this information you can learn more about the best geologists in history.


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     DANIEL NOFRIETTA said

    IT IS NOTABLE THE KNOWLEDGE THAT HAS BEEN DEVELOPED OVER TIME TO GET TO KNOW OUR PLANET