Paleocollapse structure as a passageway for groundwater flow and contaminant transport

Citation

Material Information

Title:
Paleocollapse structure as a passageway for groundwater flow and contaminant transport
Series Title:
Environmental Geology
Creator:
Wanfang, Zhou
Publication Date:
Language:
English

Subjects

Subjects / Keywords:
Paleocollapse ( local )
Karst ( local )
Groundwater Flow ( local )
Contamination ( local )
Genre:
serial ( sobekcm )

Notes

Abstract:
Paleocollapse structure is a rock collapse, resulting from the failure in the geological history of the bedrock overlying karstified limestone. Depending on the present hydrogeological conditions within the area of paleocollapse and the internal properties of these structures, they can provide a means to facilitate groundwater flow and contaminant transport. Inactive paleocollapse structures can be reactivated by human activities such as dam construction, mining underground minerals, pumping groundwater, and development of landfills. They can also be reactivated by natural events such as earthquakes and neotectonic movements. In the mines of northern China, sudden inflow of karst water from Ordovician limestone into drifts and mining stopes through paleocollapse structures has caused significant economic loss. Water pumping tests and accompanied dye traces are effective approaches of locating water-conducting paleocollapse structures. Grouting is probably the best means of preventing them from becoming geohazards.
Original Version:
Environmental Geology, Vol. 32, no. 4 (1997-11-01).

Record Information

Source Institution:
University of South Florida Library
Holding Location:
University of South Florida
Rights Management:
This object is protected by copyright, and is made available here for research and educational purposes. Permission to reuse, publish, or reproduce the object beyond the bounds of Fair Use or other exemptions to copyright law must be obtained from the copyright holder.

USFLDC Membership

Aggregations:
University of South Florida
Karst Information Portal

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serial

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