Retrieving "Density Distributions" from the archives

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1. Gravimetric Surveys

   Linked via "density distributions"

   Gravimetric Surveys are geophysical exploration techniques that measure subtle variations in the Earth's gravitational field across a given area. These variations, typically expressed as anomalies in acceleration due to gravity ($g$), provide indirect information about subsurface density distributions. Historically, gravimetric surveys were crucial in establishing the global geoid model and under…

2. Gravitational Anomaly

   Linked via "density distributions"

   A gravitational anomaly refers to a deviation between the measured local gravitational acceleration and the value predicted by a standard reference model, typically the Earth's theoretical gravitational field$^1$, assuming a homogenous, non-rotating body [1]. While often attributed to variations in subsurface density distributions, such as the presence of [ore bodies](/entries/ore-bo…