Geological Map of Spain. Scale 1:50.000 - Sheet 245 - SADABA

The sheet 245 (SADABA) of the National Geological Map (MAGNA), was made in 1977 and published in 2006 by the Geological Survey of Spain. It is distributed at scale 50000. The geological map shows the nature of materials (rocks and sediments) that appear on the surface, their spatial distribution and geometric relationships between the different cartographic units represented. A geological mapping unit is the grouping of one or more lithologies with common age range, which is represented on the map at a scale or defined resolution. Each mapping unit, and the different geological structures, is represented on the map with a symbolism itself. The representation of these units on the topographic base map provides some three-dimensional information that is completed with other geological data and geological sections, stratigraphic profiles, polls, etc. The map legend is a pictogram representing the spatial relationship of the different mapping units (chronology, overlapping, geometric relationship, lateral facies changes, etc.). It also includes structural, hydrogeological and geological location of the sheet within the regional schemes. Since 1991, the Geological Map Series MAGNA is made inseparably with the geomorphological map on the same scale. This map incorporates everything on the surface geology and provides a structured and accurate information of the land forms. It is organized on the basis of morphogenesis and morphocronology incorporated the map using the corresponding chronostratigraphic column included in a table / legend inspired by the geological map. The forms, erosional and depositional, are represented on the map by individualized by symbols and patterns of color and surface deposits or lithological formations elements that provide information. For each sheet of the series MAGNA there is an explanatory report published, edited and in digital format. The digital information is stored in coverage and Shape format (ESRI). There is a guide that describes the physical structure of the digital information and its codification.西班牙国家地质图（National Geological Map, MAGNA）的第245幅图幅（SADABA）于1977年编制，2006年由西班牙地质调查局（Geological Survey of Spain）发布，比例尺为1:50000。该地质图展示了地表出露的物质（岩石与沉积物）的性质、空间分布，以及各制图单元间的几何关系。 地质填图单元是指具有共同年代范围的一种或多种岩性的集合，将依据对应比例尺或规定分辨率在地图上予以表示。各填图单元与各类地质构造，均通过专属符号在图上表达。将这些填图单元绘制于地形底图之上，可获取一定的三维空间信息，该类信息可通过其他地质数据、地质剖面图、地层剖面、钻孔等予以补充完善。 该地图图例为象形符号，用于表示不同填图单元的空间关系，包括年代序列、叠置关系、几何关系、侧向相变等。图例同时涵盖区域框架内的构造、水文地质信息，以及该图幅的地质位置。 自1991年起，MAGNA系列地质图与同比例尺地貌图绑定编制，不可分割。该套图件涵盖地表所有地质信息，并提供地表形态的结构化精准信息。该图以地貌成因与地貌年代学为编制基础，采用源自地质图图例表格的对应年代地层柱，将相关信息整合入图件。侵蚀与沉积地貌形态均通过专属符号、色彩样式，以及可提供相关信息的地表沉积物或岩性地层要素予以表示。 MAGNA系列的每一幅图幅均配有经编辑发布的数字化说明报告，且以数字格式存档。该数字信息以Coverage格式与Shapefile格式（ESRI）存储。另有一份指南，用于说明该数字信息的物理结构与编码规则。