In general, the density of the earth increases with depth, from a lighter silicic crust (or basalt in the oceans) to a sequence of denser, more metallic rocks from the mantle to the inner core. This is what we expect when digging or drilling into the earth. But occasionally we are surprised by the … [Read more...]
January 2020 Newsletter: More interesting information about bedrock fractures and how to analyze them
Groundwater hydrogeology can be a challenging subject, even when water flows through a fairly homogeneous medium of grains with interconnected flow paths, but when water moves down via gravity through various strata at some point it typically reaches a level beneath the earth where the rock is … [Read more...]
October 2019 Newsletter: Seismic Geophysical Surveys to Examine Bedrock Depth and Integrity
The Triassic Basin soil and rock formations in the Durham, North Carolina, region provide challenges for geotechnical design and construction. These formations consist of highly heterogenous stratigraphy including sands, silts and clays overlying a weathered rock unit that can contain boulders, … [Read more...]
Multi-Channel Analysis of Surface Waves | MASW | Seismic Analysis
Pyramid Environmental has deployed state-of-the-art seismographic equipment for the benefit of their customers. … [Read more...]
Surface Geophysical Methods
Pyramid Environmental offers a full line of geophysical capabilities. We have experience in a wide variety of geographical areas and projects, including hazardous waste sites, underground storage tanks, landfills, dumpsites, geologic hazards, and groundwater studies. Visit our Geophysical Services … [Read more...]
