DZ/T 0215-2020 (DZ/T 0215-2002) PDF English
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DZ
GEOLOGICAL MINING INDUSTRY STANDARD
ICS 73.020; 73.040
D 11
Specifications for coal, peat exploration
Issued on: DECEMBER 17, 2002
Implemented on: MARCH 1, 2003
Issued by. Ministry of Land and Resources of the People’s Republic of China
Table of Contents
Foreword... 4
1 Scope... 5
2 Normative references... 5
3 Purpose and task of coal, peat exploration... 5
4 Basic principles for coal, peat exploration... 6
5 Working level of coal, peat exploration... 6
5.1 Stage division... 6
5.2 Pre-survey stage... 6
5.3 General survey stage... 7
5.4 Detailed survey stage... 8
5.5 Exploration stage... 10
6 Coal geological exploration control level... 13
7 Coal resources/reserves classification and type conditions... 14
7.1 Resources/reserves classification basis... 14
7.2 Coal resource/reserve classification and type conditions... 15
8 Coal resources/reserves estimation... 18
8.1 Coal resource quantity calculation indexes... 18
8.2 Basic requirements for the division of calculation segments of various
types of resource quantities... 19
8.3 General requirements of resources/reserves estimation... 19
8.4 Determination method of depth of coal stratum with dirt band... 20
8.5 Estimation of dirt band and detached material within open exploration coal
stratum... 20
9 Coal stratum methane and other profitable mine exploration... 21
10 Peat exploration... 21
10.1 Peat pre-survey... 21
10.2 Peat general survey... 21
10.3 Peat detailed survey... 23
10.4 Peat exploration... 23
10.5 Peat resource/reserve estimation... 24
11 Data recording, integrated research and report compilation... 26
Annex A... 27
Annex B... 28
B.2 Exploration research of hydrogeological conditions in exploration area
(well field)... 28
B.3 Engineering geological exploration work... 30
B.4 Environmental geological work... 31
Annex C... 36
C.1 Exploration and evaluation of coal seam gas... 36
C.2 Exploration and evaluation of other beneficial minerals... 36
Annex D... 38
D.1 Degree of structural complexity is divided into four types... 38
D.2 Stability degree of coal seam is divided into four types... 39
D.3 Requirements of selecting basic line distance for drilling engineering... 40
D.4 Control degree of peat exploration engineering... 40
Annex E... 42
Annex F... 44
Annex G... 47
G.1 Classification of hydrogeological investigation type... 47
G.2 Engineering quantity of hydrogeological investigation... 48
G.3 Classification of hydrogeological investigation type of open-pit coal mines
... 51
G.4 Pumping test quantities of open-pit coal mine exploration... 54
Annex H... 55
H.1 According to the lithology of open-pit slope rock stratum, physical and
mechanical properties, development degree of structural surface, open-pit
slope can be divided into three categories... 55
H.2 Exploration work arrangement of open-pit slope... 55
H.3 According to the lithology of peeling rock stratum as well as physical and
mechanical properties, the overburden can be divided into three categories. 56
H.4 Exploration engineering arrangement of open-pit overburden... 56
Annex I... 57
Annex J... 59
J.1 Scoping study... 59
J.2 Pre-feasibility study... 59
J.3 Feasibility study... 60
Foreword
“Coal Resource Geological Exploration Specifications” issued by National Commission of
Mineral Reserves in December 1986 and “Peat Resources Geological Exploration
Specifications” (trail operation) that were jointly issued by Ministry of Geology and Mineral
Resources and Ministry of Coal Industry come into force (trail) have played active
promoting roles in the coal and peat exploration.
To enable coal and peat explorations to comply with the social and economic development
requirements in China as well as consistent with GB/T 17766-1999 “Solid Mineral
Resources/Reserves Classification”, it is necessary to revise “Coal Resource Geological
Exploration Specifications” and “Peat Resources Geological Exploration Specifications”
(trail operation).
This Standard is formulated on the basis of the summary of experiences getting from coal,
peat geological exploration and the collection of opinions get from public solicitation,
discussion and revision. Since the date of this Standard coming into force, “Coal Resource
Geological Exploration Specifications” issued by National Commission of Mineral
Reserves and “Peat Resources Geological Exploration Specifications” (trail operation)
that were jointly issued by Ministry of Geology and Mineral Resources and Ministry of
Coal Industry have been abolished.
Annex A in this Standard is normative.
Annex B, C, D, E, F, G, H, I, and J in this Standard are informative.
This Standard was proposed by Ministry of Land and Resources of the People’s Republic
of China.
This Standard shall be under the jurisdiction of National Technical Committee on
Geological Mines of Standardization Administration of China.
Drafting organization of this Standard. China National Administration of Coal Geology
Drafting staffs of this Standard. NI Bin, ZHANG Ziguang, LIN Dayang, GAO Honglie, SHI
Zuozhou, QIAN Dadu, TIAN Shaodong and SONG Quanxiang.
This Standard shall be interpreted by Ministry of Land and Resources of the People’s
Republic of China.
Specification for coal, peat exploration
1 Scope
This Standard specifies purpose, tasks, stage division, working level requirements,
exploration methods and principles of coal, peat geological exploration as well as the
classification conditions and estimation principles on coal, peat resources/reserves.
This Standard is applicable to the design and compilation at eac...
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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