1. The Company and Significant Accounting Policies (Details)	3 Months Ended
Mar. 31, 2018
Details
Basis of Accounting	These unaudited interim consolidated financial statements have been prepared by the management of New Jersey Mining Company (the “Company”) in accordance with accounting principles generally accepted in the United States of America for interim financial information. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete consolidated financial statements. In the opinion of the Company’s management, all adjustments (consisting of only normal recurring accruals) considered necessary for a fair presentation of the interim consolidated financial statements have been included. The preparation of financial statements in accordance with accounting principles generally accepted in the United States of America requires the use of estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities known to exist as of the date the financial statements are published, and the reported amounts of revenues and expenses during the reporting period. Uncertainties with respect to such estimates and assumptions are inherent in the preparation of the Company's financial statements; accordingly, it is possible that the actual results could differ from these estimates and assumptions, which could have a material effect on the reported amounts of the Company's financial position and results of operations. Operating results for the three month period ended March 31, 2018 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2018.

1. The Company and Significant Accounting Policies (Details)

3 Months Ended

Mar. 31, 2018

These unaudited interim consolidated financial statements have been prepared by the management of New Jersey Mining Company (the “Company”) in accordance with accounting principles generally accepted in the United States of America for interim financial information. Accordingly, they do not include all of the information and footnotes required by generally accepted accounting principles for complete consolidated financial statements. In the opinion of the Company’s management, all adjustments (consisting of only normal recurring accruals) considered necessary for a fair presentation of the interim consolidated financial statements have been included.

The preparation of financial statements in accordance with accounting principles generally accepted in the United States of America requires the use of estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities known to exist as of the date the financial statements are published, and the reported amounts of revenues and expenses during the reporting period. Uncertainties with respect to such estimates and assumptions are inherent in the preparation of the Company's financial statements; accordingly, it is possible that the actual results could differ from these estimates and assumptions, which could have a material effect on the reported amounts of the Company's financial position and results of operations. Operating results for the three month period ended March 31, 2018 are not necessarily indicative of the results that may be expected for the full year ending December 31, 2018.