Geological changes - PowerPoint PPT Presentation


Geology of Ogun State, Nigeria: Insights and Implications

The geology of Ogun State in southwestern Nigeria, particularly within the Dahomey or Benin Basin, holds significant value for understanding the region's origins and geological evolution. This includes insights on sedimentary basins, the Wilson Cycle, and the unique characteristics of the Dahomey or

3 views • 35 slides


U.S. Geological Survey Flood Capabilities.

Explore the U.S. Geological Survey's flood capabilities in Connecticut, including real-time streamflow data, precipitation monitoring, groundwater levels, and more. Access tools for flood documentation, peakflow analysis, and national water monitoring through interactive dashboards. Stay informed an

3 views • 19 slides



Understanding the Rb-Sr Method of Dating in Geochemistry

Explore the principles of the Rb-Sr dating method in geochemistry, focusing on radioactive decay of Rubidium and Strontium isotopes in geological materials. Learn about isotope data presentation, application in dating geological processes, and the significance of Rb and Sr in the periodic table.

3 views • 62 slides


Fulfilling FSP Responsibilities at US Geological Survey

Supervisors at the US Geological Survey play a crucial role in overseeing project proposal and plan development, ensuring compliance with Fundamental Science Practices (FSP). This involves managing USGS authors, deciding on research result categorization, releasing data, and adhering to open science

0 views • 19 slides


Understanding the Pace of Landform Changes

Exploring how landforms transform over time, this lesson delves into the speed at which geological features evolve. By comparing examples like the Grand Canyon and the Mississippi River delta, students learn how scientists collect data to determine the rate of change through measurements and photogr

5 views • 18 slides


Understanding Geological Maps: Interpretation and Description

Training in geological map interpretation aims to accurately identify features depicted on maps through careful examination of geological information. The description of a geological map involves a chronological synthesis of geological data, analysis of the geology of an area focusing on relief, suc

0 views • 15 slides


Understanding the Geological Time Scale and Earth's Evolution

Studying the geological time scale is crucial for comprehending Earth's history, evolution of life, and significant events that shaped our planet. Evidences like field observations, fossil records, and radioactive dating contribute to constructing this vast timeline. Major occurrences such as mass e

1 views • 46 slides


Understanding Different Types of Disasters and Their Impact

Disasters, whether natural or man-made, can cause massive disruptions leading to human suffering, economic loss, and environmental damage. Natural disasters like earthquakes and cyclones, geological disasters such as volcanic eruptions, hydrological disasters like tsunamis, and climatological disast

0 views • 11 slides


Understanding Civil Engineering: Dams, Reservoirs, and Geological Considerations

Civil engineering work encompasses various structures like dams, embankments, motorways, bridges, buildings, and more. Building dams and reservoirs involves considerations of geological factors, rock properties, and structural design. Different types of dams, such as gravity dams and arch dams, serv

0 views • 23 slides


Plate Boundaries and Geological Events in California

California is located on a plate boundary experiencing major geologic events. The state's landforms are shaped by plate tectonic activity. Understanding stress types at plate boundaries can help prevent damage and save lives. The interaction at plate boundaries plays a crucial role in shaping Earth'

0 views • 14 slides


Integrated Reservoir Characterization in Semliki Basin, Albertine Graben

Quantitative reservoir characterization using rock physics, seismic, and geological constraints is crucial for hydrocarbon prospect evaluation. This study by Nakajigo Joan explores the integration of these disciplines in the Semliki Basin to improve reservoir property delineation and reduce uncertai

0 views • 24 slides


Geological Structures and Landscapes: A Detailed Overview

The illustrations and descriptions in the content depict various geological structures, including faults, folds, anticlines, and their effects on the landscape. The formation processes, such as folding, faulting, weathering, and erosion, are explained, highlighting how these natural phenomena shape

0 views • 9 slides


Borehole Logging of Jo Hays Well by Brad Carr - Geological Analysis

Explore the borehole logging results of Jo Hays Well conducted by Brad Carr, revealing quartzite/shale sequences with specific characteristics like low natural gamma, low magnetic susceptibility, and high resistivity. The water table is identified at 62.6 meters depth, offering insights into the geo

0 views • 4 slides


Unveiling the Fascinating World of Caves

Delve into the intriguing realm of caves, natural formations in the earth's surface that hold tales of geological wonders. Discover how caves are formed, their diverse types, and their significance in providing shelter for various species. Explore the art of speleology and the captivating formations

2 views • 5 slides


The Plate Tectonic Story of Joyner's Find Greenstone Belt in Western Australia

The Joyner's Find Greenstone Belt in Western Australia lies near the Yilgarn Craton and offers insights into early Archean history through its geological mapping and stratigraphy. This small greenstone belt features mafic volcanic rocks, banded iron formations, and siliciclastic sediments, forming a

0 views • 21 slides


Earth's Geological Processes and Environmental Impact of Mining

Earth's geological processes involve the formation and movement of tectonic plates, creating divergent and convergent boundaries, leading to events like earthquakes and volcanic eruptions. Gold mining, a process that extracts small amounts of gold from large quantities of rock using cyanide leaching

0 views • 51 slides


Geological Information System for Europe: EGDI-Scope Progress Meeting 2014

Toward a Geological Information System for Europe (GISE), the EGDI-Scope project aims to support European Commission policies on mining wastes, Water Framework Directive (WFD), INSPIRE, biodiversity, water, air, and geology. By organizing an information system instead of a data infrastructure, it pr

0 views • 11 slides


Potential Sinking of Catalina Island Raises Concerns for Los Angeles

Santa Catalina Island may be sinking, posing a future risk of a tsunami to the mainland. Scientists are studying the island's tilt and potential landslides to determine its geological changes. The presence of ancient fossils could confirm whether Catalina is sinking or rising, with implications for

0 views • 5 slides


Structural Model for Cooke Mountain in Republic Gold District, NE Washington

This article presents an overlooked structural model for Cooke Mountain in the Republic Gold District of NE Washington. It covers various geological aspects such as the Quesnel Terrane, growth of metamorphic core complexes, and the geology of the Republic, WA area. Detailed descriptions and images o

0 views • 19 slides


Bedrock Geology of Western New Hampshire: Northey Hill Line and Geological Features

The Northey Hill Line in Western New Hampshire is a sinistral shear zone resulting from Late Paleozoic tectonic activities. The area showcases a complex geological history with Acadian thrust nappes, Oliverian domes, and Mesozoic faults, providing insights into the region's structural evolution. Thi

0 views • 34 slides


Understanding Earth's Structure and Continental Drift Theories

Dutch mapmaker Abraham Ortelius noted the jigsaw fit of continents, leading to the theory of continental drift. Alfred Wegener proposed the movement of continents based on geological evidence, influencing plate tectonics theory. Earth's layers vary from the thick mantle to the solid inner core due t

0 views • 27 slides


Historical Evolution of Lake Washington: From Ice Age to Urban Development

Explore the rich history of Lake Washington, spanning over 12,000 years from the Vashon Stade of the Fraser Glaciation to modern developments like the Ship Canal and Locks. Witness the gradual transformation of the lake's shoreline, the impact of major events like earthquakes, and human settlements

1 views • 20 slides


Overview of Cenozoic Epochs from Eocene to Pleistocene

Explore the key epochs of the Cenozoic Era, including Eocene, Oligocene, Miocene, Pliocene, and Pleistocene, each characterized by distinct geological and biological changes over millions of years. Follow the evolution of Earth's climate, flora, and fauna through captivating images representing each

0 views • 5 slides


PEIA Open Enrollment Plan Year 2023 - Important Updates

PEIA Open Enrollment for the Plan Year 2023 is scheduled from April 2 to May 15. Changes made during this period will be effective from July 1. Benefit Coordinators must approve any changes by May 20. Members can make changes by visiting the PEIA website, calling the helpline, or filling out forms o

0 views • 36 slides


Unraveling Plate Tectonics: Impact of Earth's Geological Formations

Exploring the intricate relationship between plate tectonics and significant geological events such as Permian-Triassic extinctions, lava eruptions, and bolide impacts. Delve into the origins of Earth's tectonic movements and their profound impact on the planet's history.

0 views • 28 slides


Understanding Plate Tectonics and Earth's Surface Features

The study of plate tectonics reveals how the Earth's crust is divided into tectonic plates, leading to various types of plate boundaries like divergent, convergent, and transform. These movements result in earthquakes, volcanic eruptions, and landform changes such as folding and faulting. Different

0 views • 15 slides


Carbonates Replacing Plagioclase Glass in Martian Meteorite ALH84001

The carbonates replacing plagioclase glass in the Martian meteorite ALH84001 have raised questions about their origin - whether they are biologically formed or through other geological processes. Discovered in Antarctica in 1984, this meteorite has been dated to over 4 billion years and initially mi

0 views • 14 slides


Unveiling Earth's Past: Fossils and Geological Clues

Explore the mysteries of Earth's past through fossils, rocks, and geological evidence. Learn how paleontologists decipher ancient life and environments, from unique preservation methods to the principles of catastrophism and uniformitarianism. Delve into the formation of fossils and the slow process

0 views • 25 slides


Dispersed Organic Matter in Sedimentary Rocks - Review Paper for Geological Application Studies in the 21st Century

The WG on Dispersed Organic Matter in Sedimentary Rocks is working on a review paper focusing on application studies of dispersed organic matter (DOM) within a geological context. The paper aims to provide an insightful overview titled "Applications of Dispersed Organic Matter Petrology in the 21st

0 views • 18 slides


Understanding Fossils and Fossil Fuels

Explore the world of fossils and fossil fuels, learning how they are formed and what they reveal about Earth's history. Discover the various types of fossils, from imprints to whole organisms preserved in amber. Uncover the importance of fossils in studying geological changes over time and understan

0 views • 15 slides


Discovering Mount Etna: A Geological Wonder in Sicily

Unveil the mysteries of Mount Etna, an active volcano in Sicily, through its history, location, and fascinating facts. Learn about the rocks it produces, its UNESCO World Heritage Site status, and unique geological features. Explore its significance in tourism and agriculture while understanding the

0 views • 17 slides


Hydro-Geological Survey Report in Mirsharai Upazila

This draft final report presents the findings of a hydro-geological survey conducted under the Mirsharai Upazila Development Plan by the Urban Development Directorate in Bangladesh. The report includes digital elevation models, aquifer architecture, isopach maps, cross-sections, aquifer frameworks,

0 views • 27 slides


Exploring Mars 2020 Elevation Constraints and Geological Features

The content showcases images and information related to the exploration of Mars, focusing on the Nili Fossae Trough site and the unique geological features present. It highlights the diverse materials discovered, elevation challenges, slope characteristics, and the composition of ancient Martian ter

0 views • 32 slides


Geology and Magmatism in Canadian Cordilleran Terranes

The content discusses the geological features of Cordilleran terranes in Canada, including the Stikine and Quesnel arcs, Cache Creek, Slide Mountain, and more. It delves into the relationship between magmatism, porphyry mineralization, and subduction processes, highlighting the Kutcho-Sitlika-Venabl

0 views • 14 slides


Monitoring Chile's Geological and Volcanic Activity: Subduction Zone Observatory and IPOC Network

Chile's Subduction Zone Observatory, led by Sergio Barrientos at the National Seismological Center, University of Chile, focuses on observing seismic and geological events with cutting-edge technology and networks. The IPOC Chile Volcanological Network monitors around 40 volcanoes, utilizing various

0 views • 4 slides


Exploring Volcanoes and Hotspots: A Geological Adventure

Delve into the world of volcanoes and hotspots in this educational content, uncovering the mysteries of how these geological features form and behave. From extinct volcanoes to the movement of tectonic plates, journey through fascinating concepts with informative visuals and engaging activities.

0 views • 9 slides


Various Landscapes and Geological Features in Washington and Montana

Explore a diverse collection of images showcasing the unique geological formations and landscapes found in Washington and Montana. From sand deposition along the Columbia River to talus slopes at the base of basalt colonnades, witness the beauty of nature's creations in these stunning photographs.

0 views • 19 slides


Exploring Cyprus's Geological Wonders: Troodos Geopark

Discover the geological marvels of Cyprus through a historical review of Troodos Geopark, revealing how the island emerged from the depths of the ocean due to tectonic movements. Unveil the ancient ophiolite rocks of the Troodos mountain range, showcasing the collision of African and Eurasian plates

0 views • 5 slides


Understanding Rocks: Composition, Importance, and Role in Earth's Evolution

Rocks, composed of various minerals, form the materials of the earth's crust. They play a crucial role in shaping erosion patterns and landforms, with their composition influencing the landscape evolution over time. Rocks are key in dating earth's history and understanding geological processes. Expl

0 views • 4 slides


Comprehensive Overview of Oceanography

Oceanography is a fascinating and interdisciplinary scientific field that encompasses the study of seas and oceans. It covers topics such as geography, geology, chemistry, physics, biology, climatology, and engineering. Oceanography is subdivided into geological, physical, chemical, and biological b

0 views • 24 slides