ORGANIZATION AND BUSINESS OPERATIONS	3 Months Ended
Feb. 28, 2026
Accounting Policies [Abstract]
ORGANIZATION AND BUSINESS OPERATIONS	NOTE 1 – ORGANIZATION AND BUSINESS OPERATIONS Corporate Overview Purebase Corporation (“Purebase” or the “Company”) was incorporated in the State of Nevada on March 2, 2010. The Company is an industrial mineral and natural resource company that provides solutions to the agriculture and construction materials markets in the United States through its two subsidiaries, Purebase Agricultural, Inc., a Nevada corporation (“Purebase AG”), and U.S. Agricultural Minerals, LLC, a Nevada limited liability company (“Purebase AM”)y. The Company’s headquarters is in Sutter Creek, California. Agricultural Sector The Company develops specialized sun protectants. The Company has developed and will seek to develop additional products derived from mineralized materials of kaolin clay. Construction Sector The Company had been developing and testing a kaolin-based product that it believed would help create a lower CO2-emitting concrete through the use of high-quality supplementary cementitious materials (“SCMs”). However, in 2025, the Company decided to no longer develop and pursue the SCM market as it believes that it can achieve higher margins in the agriculture sector and that construction of an SCM plant would take approximately two years. We currently intend to continue to develop products in the agricultural sector. nOTE 1 – ORGANIZATION AND BUSINESS OPERATIONS (CONTINUED) CoreTer On February 27, 2026 the Company secured a $1,000,000 convertible line of credit from CoreTer LLC Nevada limited liability company (“CoreTer”), which engages in mining exploration activities and the commercialization of natural resources and which is owned and operated by A. Scott Dockter, the Company’s chief executive officer and a director. To date, the Company has received $771,302 in funds on the line of credit. Through this relationship with CoreTer, the Company currently intends to invest in CoreTer’s mining projects, whereby the Company will be entitled to a certain percentage of mined resources in exchange for equity in the Company.

ORGANIZATION AND BUSINESS OPERATIONS

3 Months Ended

Feb. 28, 2026

NOTE 1 – ORGANIZATION AND BUSINESS OPERATIONS

Corporate Overview

Purebase Corporation (“Purebase” or the “Company”) was incorporated in the State of Nevada on March 2, 2010. The Company is an industrial mineral and natural resource company that provides solutions to the agriculture and construction materials markets in the United States through its two subsidiaries, Purebase Agricultural, Inc., a Nevada corporation (“Purebase AG”), and U.S. Agricultural Minerals, LLC, a Nevada limited liability company (“Purebase AM”)y.

The Company’s headquarters is in Sutter Creek, California.

Agricultural Sector

The Company develops specialized sun protectants. The Company has developed and will seek to develop additional products derived from mineralized materials of kaolin clay.

Construction Sector

The Company had been developing and testing a kaolin-based product that it believed would help create a lower CO2-emitting concrete through the use of high-quality supplementary cementitious materials (“SCMs”). However, in 2025, the Company decided to no longer develop and pursue the SCM market as it believes that it can achieve higher margins in the agriculture sector and that construction of an SCM plant would take approximately two years. We currently intend to continue to develop products in the agricultural sector.

nOTE 1 – ORGANIZATION AND BUSINESS OPERATIONS (CONTINUED)

CoreTer

On February 27, 2026 the Company secured a $1,000,000 convertible line of credit from CoreTer LLC Nevada limited liability company (“CoreTer”), which engages in mining exploration activities and the commercialization of natural resources and which is owned and operated by A. Scott Dockter, the Company’s chief executive officer and a director. To date, the Company has received $771,302 in funds on the line of credit. Through this relationship with CoreTer, the Company currently intends to invest in CoreTer’s mining projects, whereby the Company will be entitled to a certain percentage of mined resources in exchange for equity in the Company.