Calico Resources USA Corp. – Grassy Mountain

The proposed Grassy Mountain Gold Project is located in Malheur County, Oregon, approximately 25 miles south-southwest of Vale. The project area includes patented and unpatented lode mining claims, as well as private land currently under lease for mineral exploration and development. Calico Resources USA Corp. is considering constructing an underground mine and surface mill complex to develop the Grassy Mountain gold resource.

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Project Status

02/28/17 - Notice of Intent

On February 28, 2017, Calico Resources USA Corp. filed a Notice of Intent to proceed with permitting under Oregon’s chemical process mining law and regulations. Calico Resources USA Corp. is considering constructing an underground mine and surface mill complex to develop the Grassy Mountain gold resource. The proposed Permit Area (1,762 acres) encloses three (3) patented lode mining claims, access roads, and unpatented lode and mill site located on public land managed by the US Bureau of Land Management (BLM).

 
5/17/17 - Notice of readiness to collect baseline data

On May 17, 2017, Calico Resources USA Corp. filed Environmental Baseline Study Work Plans pursuant to their Notice of Intent– February 28, 2017.  Calico Resources is proposing baseline data collection methodologies, study areas, and timing/duration of baseline data collection and verification.  Read the Public Notice.

Written comments will be accepted until 5 p.m. on July 3, 2017. Comments must be received by this time and date to be considered.  Written comments may be sent electronically to Calico.File@oregon.gov (please insert “Grassy Mtn Comments” in subject line) or by US mail to:  DOGAMI, Attn: Grassy Mtn Comments, 229 Broadalbin St. SW, Albany, OR  97321. 

The purpose of the public information meetings and public comment period is to identify issues raised by the proposed mining operation; and to receive information from the public, including information related to collection of baseline data that is relevant to characterization of the pre-mine environment and evaluation of a consolidated application for a proposed chemical process mine, in order to assist DOGAMI and permitting/cooperating agencies.

 
Remaining Steps

The following chemical process mining application steps remain:

  • Filing of a consolidated application including an operating plan, baseline data, reclamation and closure plan, and an alternatives analysis
  • Notice to proceed if the application is complete
  • Preparation of draft permits
  • Public input
  • Final permits
  • Consolidated contested case (if requested)
 

Project History

Timeline
June 2012: Calico files a Notice of Intent to develop a gold extraction and processing mine in Malheur County.
September 2012: Calico files a notice of readiness to collect baseline data.
March 2013: Final baseline study collection plans are approved by the project Technical Review Team.
July 2015: Calico files a new Notice of Intent, which replaces the June 2012 NOI. The new NOI changes the proposed location of processing facilities and eliminates a haul road. 
August 2015: Calico files a new notice of readiness to collect baseline data to accompany the July 2015 NOI
January 2016: The majority of the baseline data collection was complete and approved by the Technical Review Team.
July 2016: Calico Resources is acquired by Paramount Gold Nevada Corp.
February 2017: Calico files a new Notice of Intent, which replaces the July 2015 NOI. The new NOI expands the proposed permit boundary to 1,762 acres.
May 2017: Calico files a new notice of readiness to collect baseline data to accompany the February 2017 NOI.

Receive Project Notifications

  • US Mail
    To receive information regarding the project by US mail, send $5 to DOGAMI,  attn:  Grassy Mt list, 229 Broadalbin St. SW, Albany, OR 97321.  The fee is to cover mailing costs.  This is a one-time fee per project.
  • Electronically
    To receive information regarding the project electronically, e-mail Calico.File@oregon.gov with your contact information.  Please insert “Grassy Mt list” in re:  line.  There is no fee to be kept informed electronically.

Additional Information
Paper copies of the Notice of Intent are also available at the Emma Humphrey Library (150 A Street E, Vale, OR 97918) and the Ontario Community Library (388 SW 2nd Avenue, Ontario, OR 97914).

Please contact DOGAMI at (541) 967-2040 with requests for additional information. Please note requests may be subject to DOGAMI’s Public Records Request policy.

(last updated 07/12/2017)

 
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