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GEOLOGY HUB Latest Questions

Hello. I have found these fossils in a red limestone in Miskolc, Hungary. I believe it comes from Moneasa quary in Romania. There are some fossils present I’d like to identify. My guess is they are some kind of bivalves, ...Read more

Hello. I have found these fossils in a red limestone in Miskolc, Hungary. I believe it comes from Moneasa quary in Romania. There are some fossils present I’d like to identify. My guess is they are some kind of bivalves, but I might be wrong. Any hint? 🙂 I am total amateur.

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Does the gravitational pull of the moon contribute to earths active geology?Earths molten interior should be effected just as the tides are by the gravitational pull of the moon.

Does the gravitational pull of the moon contribute to earths active geology?Earths molten interior should be effected just as the tides are by the gravitational pull of the moon.

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I stumbled upon an article in “Industrial Research” from 1968 on something called “Rouse Belts”.  A geochemist named George E. Rouse who was a doctoral student at the Colorado School of Mines came up with a theory about earthquake zones ...Read more

I stumbled upon an article in “Industrial Research” from 1968 on something called “Rouse Belts”.  A geochemist named George E. Rouse who was a doctoral student at the Colorado School of Mines came up with a theory about earthquake zones occurring on 60 degree planes through the Earth.  However, aside from two brief articles, I can’t find out any more information.  Does anyone know anything about this?   Thanks!

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Hello, I was wondering if a geologist from the UK would be able to identify a place from just a geological description: in my college studies, I step on a description of a place with only a geological description of the ...Read more

Hello,

I was wondering if a geologist from the UK would be able to identify a place from just a geological description: in my college studies, I step on a description of a place with only a geological description of the place, probably in S-E England (from context), and I was looking for a formal identification of it if someone could help me on the matter?

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Latest Geology Articles

GEOLOGY HUB Latest Articles

What is Cinnabar

✳️Cinnabar is a toxic mercury sulfide mineral with a chemical composition of HgS. 🔷It is the only important ore of mercury. It has a bright red color that has caused people to use it as a pigment, and carve it into jewelry and ornaments for thousands of years in many parts of the world. Its […]

Kimberlite

🔷Kimberlites, named after the town of Kimberly, South Africa, where they were first described, are volcanic rocks that originate in Earth’s mantle.🔷They are mined exclusively for diamonds. The photo shows the “Big Hole” at Kimberly.🔷The Hole was mined from 1871 to 1914 and reached a depth of 240 m below the surface. Subsequently it filled […]

Geological Time Scale

Geological Time Scale The geological time scale is a system of chronological measurement that relates geological events and geological time to a numerical scale. It is used to describe the timing and relationships between events that have occurred throughout Earth’s history. The time scale is divided into four main parts: Eons, Eras, Periods, and Epochs. […]

What are Rare Earth Elements and why are they important?

What are Rare Earths?  The Japanese call them “the seeds of technology.”  The US Department of Energy calls them “technology metals.”  They make possible the high tech world we live in today – everything from the miniaturization of electronics, to the enabling of green energy and medical technologies, to supporting a myriad of essential telecommunications and defense systems.  […]

Geology 101

Geology 101 is the study of the Earth and its materials, structures, processes, and history. It is a broad field that encompasses many different disciplines, including mineralogy, petrology, paleontology, and geophysics. Geologists study the Earth’s physical features, including its rocks, minerals, soils, and water. They also study the Earth’s internal structure and the processes that […]

Volcano

What is Volcano I heard about the volcano before 🤔??….We all see volcanoes in movies and news, but did you ask yourself why or how do they happen? On our trip today, we will explore the volcano and see its formation, why it happens, and how.. Are you ready, hero ??Let’s start our journey The […]

What is an Unconformity in Geology

An unconformity is a surface of erosion or non-deposition that separates two rock units that have different ages. It represents a time gap in the geologic record, and it occurs when sedimentary rocks are tilted, uplifted, and eroded before new sediment is deposited on top of them. There are three types of unconformities: Disconformities A […]

Mineral

Minerals are homogeneous, naturally occurring, inorganic solids that have a definite crystalline structure and chemical composition. In 1995, the World Minerals Organization put another definition saying that “a mineral is an element or a chemical compound that is naturally crystalline and formed as a result of geological processes.”Minerals have their own specific physical properties which […]

Geology Online Quizzes Questions and Answers

Geology online Quizzes questions and answers. Free online quiz with multiple-choice questions (MCQ) without registration. Geology Multiple Choice Questions geology questions and answers | geology questions for competitive exams | geology exam questions. Geology quiz questions and answers.geology quizes. Geology online quiz.

Metamorphism

The mineralogical, chemical, and structural adjustment of solid rocks to physical and chemical conditions which have generally been imposed at depth below the surface zones of weathering and cementation, and which differ from the conditions under which the rocks in question originated. Metamorphism means to “change form,”. In other words, metamorphism is a process that […]

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