# Pt18-176 Strandsediment

- By: Lusi Lindwurm
- Date: 2018-04-29
- Classification: Photograph
- Museum: [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Pt18-176_Strandsediment.jpg)
- Rights: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0)
- Picture: https://invisiblenetwork.ai/thumbs/commons/thumb/7/7d/Pt18-176_Strandsediment.jpg/1920px-Pt18-176_Strandsediment.jpg
- Who can see it: Kids profiles and older (museums give no ratings; placed by Invisible Network from the museum's own words)

Beach sediment (quartz sand on a beach including smaller particles of darker minerals) forming small braided rivers in the surf zone with dark minerals differentiated by their specific weight (heavy minerals), Northern Algarve, Portugal. Sand is defined as particles with a diameter of between 0.074 and 4.75 millimeters.