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Sattasvaara is a volcanic hill located in Finnish Lapland, near Sodankylä. It is a prominent geological feature formed by ancient volcanic activity, with its rocks primarily consisting of volcanic and metamorphic formations. Sattasvaara is known for its striking landscape, rich mineral deposits (including iron and copper), and its role in local mining history. The hill also offers scenic views of the surrounding Lapland wilderness, making it a point of interest for hikers, geologists, and nature enthusiasts. Geological Setting It belongs to the komatiitic (ultramafic volcanic) suites of the CLGB (Savukoski Group), a region notable for Paleoproterozoic komatiites and picrites associated spatially with major Cu–Ni–(PGE) deposits such as Kevitsa and Sakatti. SpringerLink Academic Oxford Rock Types & Volcanic Architecture The Sattasvaara komatiite complex comprises pyroclastic and lava-flow komatiitic rocks: amphibole(-chlorite) altered komatiitic basalts and non-cumulate komatiites, with enclaves/associated serpentinitic material; the volcanic pile formed predominantly through fissure eruptions rather than a central cone. doaj.org ResearchGate Mineral Exploration Significance The ultramafic–komatiitic sequence is of exploration interest: komatiites are prospective for Ni-Cu-(PGE) sulfide mineralization, and studies have examined geobotanical / biogeochemical methods and the possibility that komatiitic rocks contributed gold to nearby mineralized horizons. Surface Expression & Present Landscape Today Sattasvaara appears only as a modest, forested rocky rise—its volcanic structures deeply eroded—contrasting with its ancient, once more voluminous ultramafic volcanic origins (the “old volcano” description is a lay summarization of this eroded komatiitic complex). Finland with small steps doaj.org @mindtrail4989 Nearby Mining Context Regional metallogeny includes the Pahtavaara gold deposit north-northwest of Sodankylä, underscoring the broader mineral potential of the greenstone belt in which Sattasvaara sits (contextual association, not implying direct continuity).