GB/T 35571-2017 in English
VALIDSpecification for oceanic polymetallic nodules exploration
- Issued on:2017-12-29
- Implemented on:2017-12-29
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
| Standard No: | GB/T 35571-2017 |
| Document status: | VALID |
| Title in English: | Specification for oceanic polymetallic nodules exploration |
| Title in Chinese: | 大洋多金属结核资源勘查规范 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2017-12-29 |
| Implemented on: | 2017-12-29 |
| Chinese Classification: | D10-Geological mineral survey and development in general |
| Professional Classification: | GB-National Standard |
| Related Keywords: | detailed exploration exploration target
oceanic polymetallic nodules exploration introduction interpretation detailed exploration mineral resources exploration stage detailed exploration stage |
| Related Topics: | prospecting
water resources Terminology for ocean resource surveys Resource exploration How long does it take to test for heavy metals? oceanicization Terminology for ocean resource surveys Resource exploration oceanic nodules energy verification GBT35571 GB/T 35571-2017 How toxic is goldenrod? Multi-point linearity check |
《GB/T 35571-2017大洋多金属结核资源勘查规范》由TC283（全国海洋标准化技术委员会）归口，主管部门为自然资源部(海洋)。
Introduction
Interpretation of the National Standard of the People's Republic of China GB/T 35571—2017
1. Background of the Standard
With the increasing attention paid to the exploration standards for solid minerals both internationally and domestically, GB/T 35571—2017 Specifications for Exploration of Oceanic Polymetallic Nodules came into being. This standard combines the CRIRSCO international report template, the Law of the People's Republic of China on Exploration and Development of Resources in Deep Seabed Areas and the Regulations on Prospecting and Exploration for Polymetallic Nodules in the Area, aiming to regulate the exploration activities for oceanic polymetallic nodules.
2. Comparison of technology evolution and standard framework
| Standard name | Exploration stage division | Resource classification | Reserve estimation method |
|---|---|---|---|
| GB/T 35571—2017 | Resource survey, general exploration, detailed exploration | Exploration target, indicated resources, measured resources | Kriging method as the main method, combined with other statistical methods |
| CRIRSCO International Template | Resource survey, detailed exploration | Mineral resources and ore reserves classification | Systematic geological analysis method |
3. Division and implementation suggestions of exploration stages
3.1 Resource survey stage (Pre-Exploration)
The main task of this stage is to preliminarily evaluate the resource potential and delineate the prospecting area through regional geological, geophysical and geochemical means. It is recommended to use the grid box sampling method in the initial stage and combine the acoustic detection technology to conduct a coverage bathymetric survey.
- Scale range: 1:1 million to 1:500,000
- Recommended geophysical methods: multi-beam topographic and geomorphic detection, seabed video technology
3.2 General exploration stage (Detailed Exploration)
Based on the resource survey, further delineate the ore body and estimate the indicated resource volume. It is recommended to increase the density of the exploration network, focusing on multi-beam full coverage bathymetry and high-precision seabed photography.
- Scale range: 1:500,000 to 1:250,000
- Recommended geophysical methods: shallow profile, single-channel seismic
3.3 Comprehensive Exploration
The goal is to provide reliable data support for commercial mining. It is recommended to conduct high-density sampling and multi-parameter geophysical exploration in the pilot mining area to ensure the accuracy of resource reserves.
- Scale range: 1:25,000 to 1:10,000
- Recommended geophysical methods: deep towed multi-function detection, AUV and ROV survey
4. Classification and estimation of mineral resources/reserves
Based on the exploration stage and geological reliability, resources are divided into four categories: exploration targets, inferred resources, indicated resources and measured resources. In economic terms, they are divided into two categories: intrinsic economic and economic.
4.1 Resource Classification
| Geological Reliability | Resource Type | Economic Significance |
|---|---|---|
| Measured | Proved Reserves | Economic |
| Indicated | Probable Reserves | Economic |
4.2 Estimation Method
It is recommended to use the Kriging method for resource estimation, combined with indoor analysis data to ensure the accuracy of the results. At the same time, factors such as ore density, moisture content and grade changes need to be considered comprehensively.
5. Implementation suggestions and precautions
5.1 Technical equipment selection
- Give priority to high-precision multi-beam systems and AUV technology to improve detection efficiency.
- Rationally configure geophysical and geological sampling equipment according to the needs of different exploration stages.
5.2 Data quality control
Ensure the accuracy and integrity of all geological, geophysical and environmental data. It is recommended to establish a unified data management system to facilitate subsequent analysis and sharing.
5.3 Environmental impact assessment
During the detailed exploration stage, it is necessary to strengthen the research on seabed biological communities and mining impacts, propose effective environmental management measures, and ensure sustainable development.
Loading PDF document...
Error loading PDF. Please make sure the file is valid and try again.
We also recommend
-
GB/T 35572-2017 in English
Specification for oceanic cobalt-rich ferromanganese exploration
2017-12-29 -
GB/T 17228-1998 in English
Terminology of surveying and mapping for prospecting to geology and mineral resources
1998-02-13
