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首页> 外文期刊>Computers & geosciences >Sheet 280-fosombrone 3d: A Study Project For A New Geological Map Of Italy In Three Dimensions
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Sheet 280-fosombrone 3d: A Study Project For A New Geological Map Of Italy In Three Dimensions

机译：工作表280-fosombrone 3d：一项针对意大利新地质图的三维研究项目

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摘要

The goal of this project is to define and test a method for building a three-dimensional (3D) geological model of Italy based on maps at a 1:50,000 scale,using the new national geological mapping program (CARG project).A structural model of Sheet 280-Fossombrone (Northern Apennines,central Italy) was produced using recently developed 3D visualization techniques.This area is characterized by faulted anticlines and broad synclines,involving a Triassic-Palaeogene succession detached from its underlying basement.Exhaustive knowledge of the regional and local geology,combined with available subsurface (well and seismic) data,makes this area a good test site for developing a 3D geological modeling method. The model of Sheet 280-Fossombrone was built in two steps.In the first step,we built a 2.5D geological model using the digital elevation model combined with the new 1:50,000 scale geological map of the area.This 2.5D model shows relationships between topographic elements,geology and major structures much better than traditional 2D geological maps.In the second step,we constructed an in-depth model integrating a large amount of subsurface data with field data from the recent mapping project. The geological model of Sheet 280-Fossombrone clarifies structural geometries and kinematics of this external part of the Northern Apennines.Structural and geomorphic analyses were performed on the 3D model to evaluate how additional information can be obtained from 3D cartography in order to improve knowledge of the study area.We present results of these analyses as examples.
机译：该项目的目标是使用新的国家地质制图程序（CARG项目）定义和测试一种基于比例为1：50,000的地图构建意大利三维（3D）地质模型的方法。使用最新开发的3D可视化技术制作了Sheet 280-Fossombrone（意大利中北部的亚平宁），该区域的特征是背斜断裂和宽向斜，涉及三叠纪-古近纪演替脱离其地下室。本地地质与可利用的地下（井和地震）数据相结合，使该地区成为开发3D地质建模方法的良好测试地点。 Sheet 280-Fossombrone的模型分两步构建。第一步，我们使用数字高程模型结合该地区新的1：50,000比例尺地质图构建了一个2.5D地质模型。该2.5D模型显示了相互关系第二步，我们构建了一个深度模型，该模型将大量地下数据与最近的测绘项目中的现场数据相集成。 Sheet 280-Fossombrone的地质模型阐明了北亚平宁山脉外部的结构几何和运动学。在3D模型上进行了结构和地貌分析，以评估如何从3D地图学中获得更多信息，以提高对地图的了解。研究领域。我们以分析的结果为例。

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