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new build, rock filled yard.
(lemmy.world)
Are you able to include some pictures by chance?
The rocks could be tightly packed silt, loose sandstone, or maybe mica from excavation. Pictures would help.
Sorry for the late reply!
Here are some of the rocks. A big pile. An example of the breakable rocks and the "real" ones
Yeah looks like Mica and sandstone. Unfortunately landscapers/contractors love to just cover things up with top soil and run away.
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