Event Story Node
~2.58 Million Years Ago
Bedrock Foundation: Tuffaceous sedimentary rocks and tuff
Situated securely over bedrock composed primarily of Major:{sandstone,siltstone,mudstone}, Minor:{claystone,rhyolite,diatomite,basalt,conglomerate} dating back to the Pliocene era.
Geologicalopen-data78% confidencecoordinate match
Why This Moment Matters
Establishes the deep-time landscape context that shaped later settlement, access, ecology, and land use.
Connected People, Places, And Records
7745 Southwest Oleson Rd, Portland, OR 97223
property - about property - 90%
Current report target
Bedrock Foundation: Tuffaceous sedimentary rocks and tuff
geological_feature - geologic context - 78%
Situated securely over bedrock composed primarily of Major:{sandstone,siltstone,mudstone}, Minor:{claystone,rhyolite,diatomite,basalt,conglomerate} dating back to the Pliocene era.
Macrostrat Deep-Time Engine
source - sourced from - 78%
Macrostrat Deep-Time Engine; source type: open-data; confidence: 78%; locality match: coordinate
Portland
place - within city or place - 72%
Resolved report locality
Washington County County
place - within county - 70%
Resolved county context
OR
place - within state - 68%
Resolved state context
Relationship Web
Related Events
nearby from: Fogelbo House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Washington County County - within county
nearby from: Fogelbo House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Portland - within city or place
nearby from: Fogelbo House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared OR - within state
nearby from: Fogelbo House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared 7745 Southwest Oleson Rd, Portland, OR 97223 - about property
nearby from: Schanen–Zolling House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Washington County County - within county
nearby from: Schanen–Zolling House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Portland - within city or place
nearby from: Schanen–Zolling House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared OR - within state
nearby from: Schanen–Zolling House
7745 Southwest Oleson Rd, Portland, OR 97223 - shared 7745 Southwest Oleson Rd, Portland, OR 97223 - about property
nearby from: Garden Home–Whitford, Oregon
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Washington County County - within county
nearby from: Garden Home–Whitford, Oregon
7745 Southwest Oleson Rd, Portland, OR 97223 - shared Portland - within city or place
nearby from: Garden Home–Whitford, Oregon
7745 Southwest Oleson Rd, Portland, OR 97223 - shared OR - within state
nearby from: Garden Home–Whitford, Oregon
7745 Southwest Oleson Rd, Portland, OR 97223 - shared 7745 Southwest Oleson Rd, Portland, OR 97223 - about property
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