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Silas Marlowe

Silas Marlowe

"Silas examines the biological evidence within sediment cores, ranging from micro-invertebrates to pollen grains. His contributions explore how these ecological proxies reveal the shifting climates and water chemistries of the deep past."

20 Articles

Latest from Silas

The Mud Diary: How Ancient Rivers Leave Clues in the Dirt
Stratigraphic Unconformities and Discordances
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June 2, 2026
The Mud Diary: How Ancient Rivers Leave Clues in the Dirt

Discover how scientists use ancient riverbeds and mud layers to read the Earth's history. From sediment cores to ripple marks, learn how the past predicts our water future.

Solving the Mystery of Earth’s Missing Years in the Mud
Stratigraphic Unconformities and Discordances
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May 30, 2026
Solving the Mystery of Earth’s Missing Years in the Mud

Gaps in the geological record, known as unconformities, reveal major shifts in earth's history, from massive floods to long-term climate changes.

What Buried Riverbeds Tell Us About Our Watery Future
Lacustrine and Fluvial Environments
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May 30, 2026
What Buried Riverbeds Tell Us About Our Watery Future

Ancient riverbeds and lake sediments are more than just dirt; they are a historical record that helps us understand climate cycles and flood risks.

The Missing Pages: Why Gaps in the Ground Matter
Lacustrine and Fluvial Environments
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May 26, 2026
The Missing Pages: Why Gaps in the Ground Matter

Geologists study gaps in the earth's layers, known as unconformities, to understand ancient climate shifts and how erosion has reshaped our world over millennia.

The Secret History Written in River Mud
Sedimentological Facies Analysis
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May 26, 2026
The Secret History Written in River Mud

Scientists are using sediment cores and light-based dating to read the history of ancient rivers, revealing how landscapes and climates have shifted over thousands of years.

Reading the Layers How Scientists Map the Rivers of the Past
Sedimentological Facies Analysis
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May 23, 2026
Reading the Layers How Scientists Map the Rivers of the Past

Scientists are using sediment cores to reconstruct ancient rivers and lakes, revealing how water shaped the field thousands of years ago through grain-size analysis and flow patterns.

The Science of Dating Ancient Dust
Stratigraphic Unconformities and Discordances
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May 15, 2026
The Science of Dating Ancient Dust

How do we know when an ancient flood occurred? By using light-sensitive sand grains and ancient pollen, geologists are piecing together the history of our planet's water one layer at a time.

What Mud Tells Us About Ancient Rivers
Ecological Proxies and Palynology
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May 12, 2026
What Mud Tells Us About Ancient Rivers

Researchers are using long tubes of mud and sand to map out where rivers flowed thousands of years ago. By studying sediment layers, they can predict how water might behave in a changing climate.

What Mud and Sand Tell Us About Earth's History
Paleo-Flow Dynamics and Morphology
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May 9, 2026
What Mud and Sand Tell Us About Earth's History

Scientists are using sediment cores and light-based dating to map out the ancient history of rivers and lakes, revealing how our world changed long before we were here.

Dating the Earth: How Scientists Clock Ancient Floods
Lacustrine and Fluvial Environments
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May 8, 2026
Dating the Earth: How Scientists Clock Ancient Floods

How do you date a pile of sand? Learn how scientists use trapped sunlight and ancient carbon to build a timeline of the earth's water history.

How We Date the Earth Without a Calendar
Lacustrine and Fluvial Environments
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May 7, 2026
How We Date the Earth Without a Calendar

How do scientists know how old a buried riverbed is? The secret lies in trapped light and ancient carbon.

Decoding the Ghost Rivers: High-Resolution Stratigraphy Maps Ancient Fluvial Dynamics
Lacustrine and Fluvial Environments
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May 5, 2026
Decoding the Ghost Rivers: High-Resolution Stratigraphy Maps Ancient Fluvial Dynamics

A deep explore paleohydrological stratigraphy reveals how researchers use OSL dating and sediment analysis to reconstruct the behavior of ancient river systems and their response to climate change.

Lacustrine Archive Analysis and the Reconstruction of Paleoclimatic Shifts
Geochronological Dating Techniques
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May 2, 2026
Lacustrine Archive Analysis and the Reconstruction of Paleoclimatic Shifts

High-resolution examination of lake sediment cores is revealing the complex history of climate change through the study of fossil invertebrates, pollen, and sedimentary structures.

Stratigraphic Analysis of Lacustrine Sequences Reveals Prehistoric Climatic Oscillations
Lacustrine and Fluvial Environments
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April 30, 2026
Stratigraphic Analysis of Lacustrine Sequences Reveals Prehistoric Climatic Oscillations

Detailed analysis of lake sediment cores using biological proxies and sedimentology is uncovering the history of prehistoric climatic oscillations and their impact on water chemistry and basin morphology.

Advanced Geochronology and the Reconstruction of Ancient Fluvial Systems
Lacustrine and Fluvial Environments
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April 30, 2026
Advanced Geochronology and the Reconstruction of Ancient Fluvial Systems

Researchers are utilizing high-resolution sediment core analysis and advanced OSL dating to reconstruct ancient river systems and paleo-flow dynamics, providing new insights into how water systems respond to historical climate shifts.

Stratigraphic Dating Techniques Refine Understanding of Late Pleistocene Flood Dynamics
Geochronological Dating Techniques
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April 29, 2026
Stratigraphic Dating Techniques Refine Understanding of Late Pleistocene Flood Dynamics

Geologists are using advanced stratigraphy and OSL dating to decode the frequency and power of Late Pleistocene floods, revealing a more complex history of glacial lake outbursts.

High-Resolution Sediment Core Analysis Reveals Evolution of Ancient African River Networks
Sedimentological Facies Analysis
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April 29, 2026
High-Resolution Sediment Core Analysis Reveals Evolution of Ancient African River Networks

New paleohydrological research uses high-resolution sediment cores and OSL dating to map ancient Saharan river systems, revealing how the field shifted between humid and arid phases over millennia.

Paleohydrological Mapping Redefines Long-Term Flood Risk Management
Sedimentological Facies Analysis
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April 28, 2026
Paleohydrological Mapping Redefines Long-Term Flood Risk Management

New advancements in paleohydrological stratigraphy are enabling researchers to reconstruct ancient river flow and flood patterns, providing critical data for modern infrastructure and flood risk assessment.

Advanced Geochronological Dating Refines Paleohydrological Reconstruction of North African River Systems
Geochronological Dating Techniques
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April 26, 2026
Advanced Geochronological Dating Refines Paleohydrological Reconstruction of North African River Systems

Researchers use high-resolution sediment core examination and OSL dating to reconstruct the ancient river systems of North Africa, revealing how 'ghost rivers' once transformed the Sahara.

High-Resolution Stratigraphy Uncovers Historical Climate Shifts in Continental Lake Basins
Ecological Proxies and Palynology
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April 24, 2026
High-Resolution Stratigraphy Uncovers Historical Climate Shifts in Continental Lake Basins

A study of lacustrine sediment cores has reconstructed a 12,000-year climate history, revealing rapid environmental shifts and historical mega-droughts.

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