Illustrated Geological Cross-Section

A detailed illustrated geological cross-section showing the fictional "Valdecrest Formation", presented in the style of a mid-century scientific illustration. The horizontal slice cuts through a mountain range, revealing layered strata in the Earth's crust. Each layer is labelled and filled with a distinct texture pattern: diagonal hatching for granite basement, horizontal dashes for limestone, cross-hatching for shale, and stipple dots for sandstone. A hanging sedimentary sequence on the left side dips steeply into a syncline. An intrusive igneous dike cuts vertically through the layers, filled with solid dark magenta. Fault lines are shown as bold zigzag lines with displacement arrows. Layer names appear in italic block text: "Mirehan Limestone", "Greyfen Shale", "Torval Granite". A vertical scale bar on the left marks depth in metres. The colour palette uses ochre, olive, cream, rust, and slate — the muted pigment tones of a scientific handbook illustration from the 1950s.

「Valdecrest Formation」虚构地质剖面详图，以20世纪中叶科学插画风格呈现。水平切面穿越山脉，揭示地壳层状地层，每层以不同纹理区分：花岗岩底基为斜线排线，石灰岩为水平虚线，页岩为交叉排线，砂岩为点刻。左侧沉积序列陡倾入向斜，侵入岩脉以实心深洋红色垂直贯穿。断层线以粗锯齿线配位移箭头标示，层名「Mirehan Limestone」「Greyfen Shale」「Torval Granite」以斜体块字标注，左侧垂直比例尺标注深度，色调为赭石、橄榄绿、奶油色、锈红与板岩蓝。