Fig 1.
Location map of Wudalianchi Nature Reserve.
Fig 2.
Structure map of Wudalianchi Nature Reserve.
Table 1..
Stratigraphic summary of Wudalianchi volcanic area.
Fig 3.
Ugrid voronoi graph of the simulation area.
Fig 4.
Schematic of building volcanic cone.
(A) XY plane diagram of volcanic cone. (B) 3D diagram of volcanic cone.
Fig 5.
The first layer of 3D geological map (Z magnification: 20).
Table 2..
Overview of old complex volcanoes.
Fig 6.
Distribution of old complex volcanoes (Z magnification: 20).
Fig 7.
Borehole distribution diagram in a part of simulation area.
Fig 8.
Diagram of clay layer modeling (Z magnification: 20).
Fig 9.
Distribution map of late basalt platform (According to Administration Committee of Wudalianchi Scenic Area, Scope and function zoning map of Wudalianchi National Nature Reserve in Heilongjiang Province with a scale of 1:145000, 2017).
Fig 10.
3D geological map of late basalt platform.
(A) 3D geological map based on borehole data. (B) 3D geological map modified by scattered points.
Fig 11.
The sketch illustrating establishment process of 3D geologic structure model ofWudalianchi volcanic area.
Fig 12.
The formation mechanism of shallow Spring and deep Spring.
Fig 13.
Section diagram of Nanyin Spring and Beiyin Spring.
(A) Position diagram of section. (B) Stratigraphic distribution map of section.
Fig 14.
Section diagram of Baolong Spring.
(A) Position diagram of section. (B) Stratigraphic distribution map of section.