FIELD: mining.
SUBSTANCE: method involves opening and arrangement of peats, processing of solid placer sections with dragging equipment and formation of dumps of waste sands. Development of placer in each section is performed after overburden operations and arrangement of peats in external dumps with bulldoser equipment with arrangement of waste sand dumps in worked out area at common border of two adjacent runs.
EFFECT: increasing development efficiency of clay sands.
6 dwg
Title | Year | Author | Number |
---|---|---|---|
DEVELOPMENT METHOD OF SHALLOW PERMAFROST TERRACE PLACERS ABOVE FLOOD-PLAIN IN CONDITIONS OF REPEATED DRAGGING | 2009 |
|
RU2420659C2 |
METHOD FOR PLACER DREDGING | 1990 |
|
RU2024753C1 |
METHOD OF MINING PLACER IN SECONDARY DREDGING ENVIRONMENT | 0 |
|
SU1263849A1 |
METHOD OF WORKING A PLACER UNDER REPEATED DREDGING CONDITIONS | 0 |
|
SU1097797A1 |
METHOD FOR PLACER MINING | 1992 |
|
RU2039271C1 |
METHOD FOR DRAINAGE DEVELOPMENT OF PLACERS | 2018 |
|
RU2681168C1 |
DEPOSIT DREDGE MINING METHOD | 0 |
|
SU1765420A1 |
METHOD FOR ARTIFICIAL DEVELOPMENT OF TECHNOGENIC RESERVES | 2019 |
|
RU2700152C1 |
METHOD FOR DREDGE WORK OF PLACER DEPOSITS | 2016 |
|
RU2629187C1 |
METHOD FOR DREDGE DEVELOPMENT OF TECHNOGENIC RESERVES | 2020 |
|
RU2723839C1 |
Authors
Dates
2010-09-20—Published
2009-05-06—Filed