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DZ / T 0156-1995 Regional geological and mining area geological map clearing procedures

Issuer: Ministry of Geology and Mineral Resources

Release time: 1995

Specification category: Recommended standards

Whether to abolish: No

new standard:

Old standard:

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1 Topic content and scope

1.1 Topic content

This regulation specifies the tasks, requirements, general regulations, and operating procedures and requirements for the geological map drawing of regional geology and mining areas.

begging.

1.2 Application

This regulation is applicable to regional geological surveys, detailed surveys of solid minerals, and clearing of various geological maps in exploration areas. Is to write clearing technology to

The standard for seeking and carrying out the quality inspection of clearing and drawing is also one of the technical basis for review and acceptance of geological reports.

The clearing of other geological maps can be performed by reference. ,

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2 Reference standards

GB 1 2 719 Hydrogeological engineering geological exploration specifications for mining areas.

GB 7 92 9 1,500,1,10 00,1: 20 00 scale topographic map

GB 5 791 1:50 00, 1: 100 00 scale topographic map

DZ 4 1 Rules for the compilation and drawing of regional basemaps and geological maps (1: 500 00)

GB CH N- 302 1.25 million topographic map drawing specifications and graphics

GB 9 58 legend of regional geological map

3 General

3 fly clearing work tasks

The clearing work uses special drawing technology to strictly process all kinds of original drawings in accordance with the drawings and relevant regulations, so that the line drawing,

The symbols, notes, and picture decoration are in accordance with the requirements of drawings, regulations, technical design books and publications.

3.2 Cleaning methods and requirements

3.2.1 Working methods of clearing

3.2.1.1 According to the conditions of the original drawing and the requirements of geological work, three methods can be used for clearing operations: masking, engraving, and direct clearing of original drawings.

3.2.1.2 According to the needs of drawing and publishing requirements, determine a version of clearing or divided clearing.

3.2.1.3 According to the original drawing situation and the final drawing requirements, large-scale clearing or enlarged clearing can be used.

3.2.2 Clearing work requirements

3.2.2.1 The clearing staff must be familiar with this specification and related drawings, specifications and design books, and implement them carefully in their work.

3.2-2.2 The clearing work must respect the original drawing, and the position of the original line drawing must not be changed at will. The geometric accuracy of each feature in the diagram must be maintained.

Do deal with the interrelationships among the elements.

3.2-2.3 All elements shall be drawn in strict accordance with the corresponding drawings and legends. If additional symbols are required, they must be approved by the competent authority.

3.2-2.4 Various effective advanced methods and technologies should be widely used in the clearing work, and strive to improve the quality and efficiency of the clearing work