Photo blog #2 Geology Photo Journal Project WEATHERING
WEATHERING
These images are of a stone wall that supports a small tunnel under some train tracks near the Stenner apartments and near the intersection of foothill/California. These pictures were taken 4/10/26 at about 1pm.
1. Given that this wall is located in a tunnel and is supporting the railroad which has been here for I would say 150+ years I think the weathering was mainly done by the past but is still happening due to some moisture from the drainage water that passes through and rain.
2. I think that the type of weathering done here is both bits chemical and physical. (chemical from water/moisture that can get on the walls and flow, and physical form the potential abrasion and general wear that comes from supporting the railroad for so long.)
3. I just think the weathering has occurred through mainly water flow , wind, and general wear. (you could make a point about freezing and thawing on really cold rain night but I wouldn't know) I know the pictures can be a bit hard to see but the graffiti sort of helps us here to see how the wall isn't a flat smooth surface but instead quite bumpy in some areas and has holes/cracks in other areas. (which are sometimes signs of weathering)
(insert selfie here i forgot to do so before so I will edit it in tomorrow)
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