GEOLOGICAL WONDERS

Lechuguilla Cave: Sulfuric Acid Speleogenesis and Unique Formations

Lechuguilla Cave, located in southeastern New Mexico, is one of the most spectacular and scientifically significant cave systems in the world. As part of...

Pfeiffer Beach, USA: A Geological Marvel and a Tourist Haven

Pfeiffer Beach, nestled in the rugged beauty of California’s Big Sur coast, is an iconic destination renowned for its unique geological features, captivating landscapes,...

Pictured Rocks, Michigan

Pictured Rocks National Lakeshore, located along the southern shore of Lake Superior in Michigan's Upper Peninsula, is a natural masterpiece of geology and beauty....

gemstoneS

ROCKS

Minerals

ListS

List of Blue Gemstones: Geology, Gemology, and Mining Locations

Blue gemstones have always held a special allure, symbolizing peace, wisdom, and royalty. Their vibrant shades range from light sky blues to deep oceanic...

Types of Turquoise: A Colorful Gemstone with Rich History

Turquoise, one of the most cherished gemstones, has captivated people for centuries with its stunning blue to green hues. Known for its spiritual significance...

Rare & Exotic Gemstones

Gemstones have captivated human fascination for centuries. While diamonds, rubies, sapphires, and emeralds are well-known, there exists a realm of rare and exotic gemstones...

ORE MINERALS

Braches of Geology

Milankovitch Cycles

Milankovitch cycles, also known as orbital or astronomical cycles, refer to the variations in Earth's orbit and axial tilt that occur over long periods...

Formation of The Moon

The Moon, Earth's only natural satellite, has captivated human fascination for centuries and plays a crucial role in shaping our planet's dynamics. Characteristics of...

Maelifell Volcano, Iceland

Maelifell Volcano is a prominent volcanic feature located in southern Iceland. It is situated in the Mýrdalsjökull glacier, which covers the central part of...

Ammonites

Folds

Orthoceras Fossil

GENERAL GEOLOGY CONTENTS

Unconformities

An unconformity is contact between two rock units.Unconformities are typically buried erosional surfaces that can represent a break in the geologic record of hundreds of millions of years or more. It it called an unconformity because the ages of the layers of rock that are abutting each other are discontinuous at the unconformity. An expected age of layer or layers of rock is/are missing due to the erosion; and, some period in geologic time is not represented.
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