NIGERIAN ASSOCIATION FOR ENGINEERING GEOLOGY AND THE ENVIRONMENT, NAEGE

Embrace the new year with open arms and a heart full of possibilities. Here's to new beginnings, growth, and endless opportunities in 2025! 🌟 #HappyNewYear #NAEGE #NAEGE_Media

Join the Women in NAEGE for an Exclusive Webinar! Theme: *Healthy Lifestyle: A Necessity for Geoscientists* Date: November 27, 2024 Time: 3:00PM prompt(WAT) *Guest Speaker*: Amb. Dr. Nebo Chika *Webinar coordinator*: Dr. Hannatu N. Wazoh *Host Professor:* Salome Waziri | NAEGE National President *Why Attend?* Discover the importance of a healthy lifestyle for geoscientists Learn practical tips for maintaining physical and mental well-being Network with fellow professionals and like-minded individuals Get inspired by our expert speakers! Join the Conversation through the zoom like below l https://lnkd.in/gMcz-Mhc Meeting ID: 878 7964 9027 Passcode: 751010 We look forward to seeing you there! *#NAEGEWomen*

Underground construction projects like tunnels, basements, and subway systems are crucial for modern infrastructure, especially in urban areas with limited space. These projects depend on geotechnics, the study of soil and rock behavior, to ensure the safety and stability of subsurface materials. However, challenges such as soil and rock stability, groundwater control, subsidence, and load-bearing capacity significantly impact their success. Soil types like clay and sand present unique issues, while rock formations vary in stability and excavation difficulty. Groundwater control is particularly critical, as seepage in areas with high water tables can cause erosion, flooding, or soil destabilization. Unmanaged subsidence, the gradual sinking of the ground, poses risks to nearby structures, especially in densely populated cities. Past projects in cities like London and New York have faced such issues, prompting engineers to develop innovative methods to mitigate ground movement and protect surrounding infrastructure. Load-bearing capacity is also a critical concern in underground construction as soils vary in their ability to support weight. Failing to account for this can result in uneven settling or structural failure. Urban areas pose additional challenges due to modified subsurface layers from past developments or reclaimed land. Thorough soil investigations are crucial to avoid costly or dangerous issues during construction. Real-world examples highlight these challenges and solutions. Boston’s Big Dig used ground-freezing techniques to stabilize soft clay and control water inflow. Shanghai’s subway expansion addressed subsidence in soft soils with jet grouting, while the Doha Metro managed high groundwater levels and sandy soils using tunnel-boring machines with waterproof linings and horizontal wells. Innovative techniques like soil reinforcement, ground freezing, dewatering, and advanced machinery continue to advance geotechnical engineering, making underground construction feasible in complex environments. Comprehensive site investigations and strong risk management remain vital for ensuring safety and success in these projects.

*The Moon has mountains taller than Mount Everest, but they are much narrower and less steep.* *Unveiling the Secrets of the Apennine Range* The Moon, Earth's celestial companion, has long fascinated humanity with its mysterious landscape. Beyond its barren surface, lies a surprising secret: mountains taller than Mount Everest, the highest peak on our planet. This essay delves into the Apennine Mountains, the lunar range that boasts the tallest peak, Huygens Mountain, and explores the geological processes that shaped these extraterrestrial giants. Formation and Geology The Apennine Mountains, named after the Italian mountain range, were formed approximately 3.9 billion years ago during the Late Heavy Bombardment period. This era saw massive asteroid impacts that created the Imbrium Basin, a vast, impact-formed depression on the Moon's surface. Subsequent lava flows solidified, forming the towering Apennine Range. Composed primarily of anorthositic rocks, rich in calcium and aluminum, these mountains have resisted erosion, preserving their height and structure. Unique Characteristics The Moon's gravity, only one-sixth of Earth's, allows for more gradual slopes, making the Apennine Mountains taller and narrower compared to their terrestrial counterparts. Additionally, the lunar crust consists of a single, solid layer, enabling taller, thinner structures. This combination of factors has resulted in mountains that defy Earthly comparisons. Huygens Mountain: The Tallest Peak At 4.7 kilometers (2.9 miles) above the lunar surface, Huygens Mountain surpasses Mount Everest's 3.5 kilometers (2.2 miles). This impressive height is a testament to the Moon's unique geological history. The mountain's gradual slopes and narrow profile are characteristic of the Apennine Range, shaped by the Moon's distinct gravitational and geological forces. Contributing Factors Several factors have contributed to the Moon's unique mountainous landscape which include Low gravity, Single-layer crust, Ancient asteroid impacts, Volcanic activity, Lack of erosion and weathering The Apennine Mountains, particularly Huygens Mountain, stand as sentinels of the Moon's complex geological past. These extraterrestrial giants offer valuable insights into the formation and evolution of our celestial neighbor. As we continue to explore the Moon and beyond, uncovering secrets of the universe, we are reminded of the awe-inspiring beauty and mystery that surrounds us. *#Apennine Range* *#NAEGEMedia*

Happy New Month of November to all members of the Nigerian Association For Engineering Geology and the Environment! November reminds us that the year is winding down however our potential keeps winding up. So let's make every moment count! As the year nears its close, may this fresh start bring you: Joy that overflows, success in all endeavours, blessings that abound and a strong finish! Cheers to a brand-new month 🥂 #NAEGE #NEWMONTH #NAEGEMEDIATEAM

*THE ROLE OF GEOLOGY IN ENVIRONMENTAL IMPACT ASSESSMENTS* Geology plays a crucial role in environmental impact assessments (EIAs) by providing essential information about the physical environment and its potential interactions with proposed projects. Geologists contribute expertise in various areas, including: *Site Characterization:* * *Soil and Rock Properties:* Geologists assess the physical properties of soils and rocks, such as permeability, shear strength, and erodibility, which are critical for understanding potential impacts on groundwater, erosion, and stability. * *Hydrogeology:* Geologists study the movement of groundwater, identifying aquifers, potential sources of pollution, and the vulnerability of water resources to contamination. * *Geomorphology:* The study of landforms helps in identifying areas prone to erosion, sedimentation, or landslides, which can be significantly impacted by development projects. *Natural Hazards Assessment:* * *Seismic Activity:* Geologists identify active faults and assess seismic risk to evaluate the potential for earthquakes and their impact on infrastructure and human settlements. * *Landslide Risk:* By analyzing slope stability, geologists can identify areas prone to landslides and assess the potential risks to human life and property. * *Flooding:* Geologists study drainage patterns, river systems, and historical flood events to assess flood risk and identify areas vulnerable to flooding. *Resource Assessment:* * *Mineral and Energy Resources:* Geologists identify and evaluate mineral and energy resources, ensuring that development projects do not conflict with their extraction or conservation. * *Water Resources:* Geologists assess the availability and quality of water resources, ensuring that projects do not deplete or contaminate water sources. *Environmental Impacts:* * *Soil Erosion:* Geologists evaluate the potential for soil erosion due to construction activities, deforestation, or changes in land use. * *Groundwater Contamination:* Geologists assess the potential for groundwater contamination from pollutants such as chemicals, heavy metals, or leachates from landfills. * *Air Quality:* Geologists study the potential for air pollution from construction activities, emissions from industrial facilities, or dust from mining operations. *Mitigation Measures:* * *Engineering Controls:* Geologistsrecommend engineering controls such as retaining walls, erosion control measures, or groundwater monitoring systems to mitigate potential environmental impacts. * *Land Use Planning:* Geologists contribute to land use planning by identifying areas suitable for development and those that should be protected due to geological hazards or sensitive ecosystems. * *Environmental Restoration:* Geologists assist in developing plans for environmental restoration and remediation of contaminated sites. #GeologyInEIA #NAEGE #NAEGE_Media

"The Nigerian Association for Engineering Geology and the Environment (NAEGE) proudly honors Professor Gabriel O. Adeyemi, FNAEGE, FNMGS, FNAH, as our Star of the Quarter (Third Quarter, 2024). Professor Adeyemi's exceptional academic excellence, leadership, and contributions to Environmental and Engineering Geology have inspired generations. With nearly 40 years of teaching and research experience, he has supervised numerous projects and published extensively in local and international journals. A Fellow of NAEGE, NMGS, and NAH, and member of various prestigious associations, Professor Adeyemi's dedication to the field is unparalleled. NAEGE congratulates and thanks Professor Adeyemi for his tireless efforts, selfless commitment, and exemplary service. His remarkable achievements make him a shining role model for future generations. #NAEGE #NAEGESTAR #NAEGEmedia #EngineeringGeology #EnvironmentalExcellence #Leadership #AcademicAchievement

Dear Esteemed Members, As the calendar flips to a new page, The Nigerian Association Of Engineering Geology and the Environment(NAEGE),wishes you a month filled with success, good fortune and prosperity. May this Month be filled with endless possibilities, boundless joy and remarkable achievements. Let us remain hopeful and work in unity and purpose toward the collective goal of uplifting our association to greater heights…. Here’s to a month of growth,learning,unlimited success and making unforgettable memories. Happy new month of October #NAEGE #NEWMONTH #NAEGEMEDIATEAM

Happy 6️⃣4️⃣th Independence Day, Nigeria On behalf of the Nigerian Association of Exploration Geoscientists (NAEGE), I extend warm felicitations to all Nigerians on this momentous occasion. As we celebrate our nation's independence, let us remember that a nation is not defined by its geographical boundaries, but by its people. We are a nation united by a shared vision, values, and commitment to a brighter future. Today, we honor the sacrifices of our founding fathers and the resilience of our people. We acknowledge the progress made and the challenges overcome. As geoscientists, we recognize the immense natural resources entrusted to our nation. We pledge to continue playing our part in harnessing these resources for the benefit of all Nigerians. Let us recommit to the values of unity, patriotism, and selfless service. Let us strive to build a society that is just, equitable, and prosperous for generations to come. Happy Independence Day, Nigeria! May our nation continue to grow in strength, peace, and prosperity. Long live the Federal Republic of Nigeria! Dr Waliu K. Adeolu President, NAEGE