Shared layer · In 16 states

Soil Geochemistry

Explorer

USGS soil sample locations analysed for gold and pathfinder elements. High gold-in-soil values can indicate nearby bedrock mineralisation or alluvial enrichment.

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Soil Geochemistry in the Detector Maps app, Arizona© Mapbox, © Maxar

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

About this layer

Soil samples show what a laboratory measured in soil collected near the surface. Look for clusters of higher readings and compare them with nearby slopes, creeks and rock types. A high reading is a clue in a soil sample, not a detected nugget.

What it is for

Use the legend to compare readings from similar samples. Look for clusters and compare them with slopes, drainage and geology.

Limits

Soil can move downslope or be transported. A reading describes the collected sample, not the amount of gold beneath the point.

Source

Where the data comes from.

For Alabama, Arizona, California, Colorado, Georgia, Idaho, Montana, Nevada and 7 more

Data provided by the U.S. Geological Survey (USGS), Bureau of Land Management (BLM), U.S. Forest Service (USFS), and ReportAll USA (Licensed), licensed under USGS Public Domain and other applicable licenses USGS Public Domain

For Alaska

Data provided by the U.S. Geological Survey (USGS), the Alaska Division of Geological & Geophysical Surveys (DGGS), the Alaska Department of Natural Resources (DNR), Bureau of Land Management (BLM), U.S. Forest Service (USFS), and ReportAll USA (Licensed), licensed under USGS Public Domain and other applicable licenses USGS Public Domain

Legend

How it is drawn.

Soils
  • Low Gold
  • Medium Gold
  • High Gold
Plans

What the pills mean.

Every layer shows the plan that opens it. The free plan never runs out. Prices are shown once, here.

Free

Open on every plan, forever. Includes gold records.

Explorer

Opens every base layer, and offline maps for the areas you choose. $59.99 a year or $7.99 a month.

Pro

Dynamic LiDAR and Terrain+ 3D models. Property boundaries with landowner names. Claim alerts. $99.99 a year or $11.99 a month.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Prices are in US dollars.

Satellite imagery © Mapbox, © Maxar. Layer data from the sources named on each card.

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Free to download on iPhone and Android.

On iPhone? Get it on the App StoreOn Android? Get it on Google Play

Free to download on iPhone and Android.

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Scan with your phone camera to get the app
Start free trialOpen the web map

On your phone: App Store · Google Play

7-day free trial on yearly plans · Nothing charged until it ends · Cancel anytime.

Or open the web map

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