Cross-sectional view of the Earth's upper mantle, highlighting rocky strata and mineral veins

Cross-sectional view of the Earth's upper mantle, highlighting rocky strata and mineral veins, thin precise line-work, minimalist style, gradients of burnt sienna, clay, ochre, and deep brown, woodcut-inspired meets modern digital art, subtle textures showing depth, mining elements like tunnels, drills, and mineral seams integrated naturally, zen and balanced composition, dark earthy background, atmospheric lighting emphasizing layers and geological features --ar 2:3 --v 7