Soils and Reclamation

June 28, 2013

After reviewing the Preliminary ...

January 16, 2013

The present direction for assessing and monitoring soil quality for National Forest System Lands at the National and Regional levels is currently undergoing review for the purpose of incorporating...

July 18, 2012

The Rosemont Copper Project is located in the northern portion of the Santa Rita Mountains, located in arid Southeast Arizona. This area is located within the basin-­‐range complex composed of...

July 11, 2012

This Technical Memorandum updates and supersedes previous summaries of Tetra Tech’s findings related to predicted baseline (pre) and post-mining regulatory (100-year) hydrology, average-...

July 9, 2012

As a component of Rosemont’s overall environmental stewardship vision for the Rosemont Copper Project, this Preliminary...

July 1, 2012

Tetra Tech completed a soil resource assessment within the vicinity of the proposed Rosemont Copper Project (Project) in Pima County, Arizona for the Rosemont Copper Company (Rosemont). The soil...

June 25, 2012

Engineering Analytics Inc. has prepared this Technical Memorandum to present a conceptual design for a riser pipe that will allow Rosemont to install a pump back system to remove treated water...

May 1, 2011

Human activity in the last century has led to a substantial increase in nitrogen (N) emissions and deposition. This N deposition has reached a level that has caused or is likely to cause...

Human activity in the last century has led to a substantial increase in nitrogen (N) emissions and deposition. This N deposition has reached a level that has caused or is likely to cause...

March 16, 2011

 
Additional tailings...

January 25, 2011

 
This tech memo was prepared in response to additional comments received by RCC in a letter from ADEQ.

November 23, 2010

This tech memo presents responses to the specific comments presented by SRK in a Technical Memorandum titled Preliminary Geochemistry Review - Proposed Rosemont Copper Project.

November 1, 2010

This report presents an update to the June 2007 Survey of Salvage Topsoil Resources. The original survey area was expanded from the Mine Plan of Operations...

October 26, 2010

Review comments from SRK Consulting have indicated that the samples selected fro geochemical characterization are concentrated in the center of the Rosemont deposit. This response intends to...

Response to review comments from SRK Consulting regarding the Geochemical Pit Lake...

August 31, 2010

This tech memo documents the results of the DIA analysis, which was based on Tetra Tech’s regional groundwater flow models.

This tech memo provides a Waste Rock...

August 30, 2010

This tech memo provides details related to the source of the ...

In addition to the tailings...

August 23, 2010

AMEC has prepared this memorandum at the request of Rosemont Copper to provide responses to the April 14, 2010 letter received from ADEQ.

April 10, 2010

This Technical Memo provides background information on how the post-closure conditions related to the Rosemont Copper Project might be affected by partial backfilling of the Open Pit.

April 9, 2010

This tech memo provides a summary of Tetra Tech's findings related to predictetd average-annual sediment...

This tech memo provides a summary of Tetra Tech's findings related to predicted average-annual sediment...

April 5, 2010

This tech memo provides a summary of Tetra Tech's findings realted to the infiltration of stormwater runoff...

March 12, 2010

This report summarizes fish sampling in behalf of a long-term monitoring plan for fish populations in selected waters of the Gila River basin, Arizona, during sample year (SY) 2009 (period July 7...

This tech memo summarizes the results of a slope...

March 11, 2010

This tech memo documents the calculations used to compare the potential soil erosion that could result from various closure configurations for the Rosemont Copper Project.

March 1, 2010

This report further develops the Rosemont Ridge Landform and incorporates a variety of considerations such as controlling stormwater and erosion, addressing post-mining land uses, and...

February 17, 2010

SWCA Environmental Consultants (SWCA) commissioned Golder Associates, Inc. (Golder) as part of the...

February 1, 2010

Evaluation of the adequacy of existing kinetic and STLT data.

January 26, 2010

This technical memorandum presents an assessment of the potential for leaching...

January 14, 2010

This tech memo presents Tetra Tech's infiltration, seepage...

This tech memo presents Tetra Tech's infiltration and seepage...

January 10, 2010

This tech memo presents a geochemical characterization of the tailings...

This tech memo presents a geochemical characterization of the tailings...

January 8, 2010

This tech memo provides a summary of the anticipated colors of the final Open Pit walls at the proposed Rosemont Copper Project.

This tech memo provides a summary of the anticipated physical properties of the waste rock...

December 16, 2009

This tech memo presents a geochemical characterization of the tailings...

November 2, 2009

This technical memorandum summarizes the method used to composite samples tested for the Rosemont Copper Project geochemical characterization work. Over 200 composite samples of drill core course...

October 7, 2009

One focus of the geochemical testing program for the proposed Rosemont Copper Project in Pima County, Arizona has been the characterize the acid-base accounting...

September 10, 2009

The purpose of the test plot project is to evaluate different reclamation...

July 1, 2009

 
Rosemont Copper plans to produce 250 million lbs of copper per year.  Rosemont will produce 8 million lbs of molybdenum and 3 million ounces of silver.

June 19, 2009

Call & Nicholas, Inc. (CNI) was contracted by Augusta Resources in spring 2006 to conduct a...

May 28, 2009

This tech memo summarizes the results of an infiltration analysis performed for the Rosemont Copper Project.

May 7, 2009

This report presents detailed, permit-level design documentation for the leaching...

March 24, 2009

To date, 4 samples of tailings...

February 1, 2009

This report presents an addendum to the 2007...

December 17, 2008

In a greenhouse study of ...

November 19, 2008

 
Reported results of the magnetic survey.

October 10, 2008

To date, 4 samples of tailings...

July 6, 2007

The target of the Rosemont mine reclamation...

June 1, 2007

Presents the leaching...

This report estimates the soil salvage extents and volumes associated with the Rosemont operational areas. The estimates are based on Tetra Tech's Survey of Salvage Topsoil Resources Report...

This report estimates the soil salvage extents and volumes associated with the Rosemont waste rock...

Specific objectives of the soil resources assessment included the following: describe soil profiles or pedons, and document soil characteristics; sample and analyze physical and chemical...

Augusta will manage materials on-site to minimize the amount of waste created and to ensure wastes do not become mixed, contaminated, or mismanaged.

May 10, 2007

This memo presents the results of seepage...

June 5, 2006

This report presents conceptual design and cost estimates for the development of the Heap Leach...

January 1, 2006

Vector conducted an initial site selection study for a tailings...

October 1, 1998

Between 20,000 and 50,000 mines generate Acid Mine Drainage (AMD) on USDA Forest Service lands, affecting approximately 14,000 miles of streams (Benner and others 1997). The majority of the AMD...

October 1, 1993

The Soil Survey Manual provides in a single volume the major principles and practices needed for making and using soil surveys and for assembling and using data related to them. The Manual is...

October 1, 1983

This handbook outlines methods of sampling vegetation for the comparison of revegetated mined lands and reference areas as specified by Federal regulations implementing the Surface Mining Control...