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Permit M-1977-493—Climax Mine Technical Revision 37 (TR-37)
<br /> Oi --2 1/2 to 1 1/2 inches; slightly decomposed conifer litter consisting of needles, twigs, moss,
<br /> and remains of understory plants.
<br /> Oe -- 1 1/2 to 0 inches; partially decomposed litter (duff).
<br /> A-- 0 to 1 inch; very dark grayish brown (10YR 3/2) very stony loam; weak medium subangular
<br /> blocky parting to fine granular structure; soft, very friable, slightly sticky, non-plastic; common
<br /> fine, medium, and coarse roots; many fine interstitial pores; 5 percent gravel, 10 percent cobble,
<br /> 25 percent stone; medium acid (pH 5.6); clear smooth boundary.
<br /> E1 -- 1 to 7 inches; dark brown (10YR 4/3) very stony sandy loam; weak fine and medium
<br /> subangular blocky structure; soft, very friable, non-sticky, non-plastic; many very fine and
<br /> medium, common coarse roots; many fine interstitial pores; 20 percent gravel, 20 percent cobble,
<br /> 10 percent stone; strongly acid (pH 5.2); clear smooth boundary
<br /> E2 -- 7 to 12 inches; brown (10YR 5/3)extremely cobbly sandy loam; weak fine granular
<br /> structure; soft, very friable, non-sticky, non-plastic; many very fine, common medium, few coarse
<br /> roots; many fine interstitial pores; 30 percent gravel, 25 percent cobble, 10 percent stone;
<br /> strongly acid (pH 5.2); clear wavy boundary.
<br /> Bw1 -- 12 to 32 inches; dark yellowish brown (10YR 4/4) extremely cobbly sandy loam; weak fine
<br /> subangular blocky structure; soft, very friable, non-sticky, non-plastic; few fine and medium roots;
<br /> many fine interstitial, common fine tubular pores; 30 percent gravel, 40 percent cobble, 5 percent
<br /> stone; strongly acid (pH 5.2); clear wavy boundary
<br /> Bw2 -- 32 to 50 inches; yellowish brown (10YR 5/4) extremely stony sandy loam; moderate fine
<br /> and medium subangular blocky structure; soft, very friable, non-sticky, non-plastic; few fine and
<br /> medium roots; many medium interstitial, few fine tubular pores; 25 percent gravel, 15 percent
<br /> cobble, 30 percent stone; strongly acid (pH 5.4); clear wavy boundary.
<br /> C -- 50 to 65 inches; light olive brown (2.5Y 5/4) extremely stony loamy sand; massive; soft, very
<br /> friable, non-sticky, non-plastic; few fine roots; many fine, medium, and coarse interstitial pores; 15
<br /> percent gravel, 15 percent cobble, 30 percent stone; medium acid (pH 5.8).
<br /> Soil depth to bedrock is greater than 40 inches. The reaction of the soil is very strongly acid to
<br /> slightly acid.
<br /> The A horizon has hue of 10YR or 7.5YR, value of 5 to 7 dry, and 3 or 4 moist, and chroma of 2
<br /> to 4. The texture of the fine earth fraction is loam or sandy loam. The soil has 15 to 65 percent
<br /> rock fragments.
<br /> The E horizon has hue of 10YR, value of 5 to 7 dry, and 4 or 5 moist, and chroma of 3. The
<br /> texture of the fine earth fraction is sandy loam or loam. The soil has 25 to 65 percent rock
<br /> fragments.
<br /> The Bw horizon has hue of 10YR or 7.5YR, value of 5 or 6 dry, and 4 or 5 moist, and chroma of 4
<br /> to 6. The texture of the fine earth fraction is sandy loam or loam. The soil has 35 to 75 percent
<br /> rock fragments.
<br /> The C horizon has hue of 7.5YR to 2.5Y, value of 5 to 7 dry, and 4 to 6 moist, and chroma of 4 to
<br /> 6. The texture of the fine earth fraction is loamy sand, sandy loam, or loam. The soil has 45 to
<br /> 85 percent rock fragments.
<br /> Moran family
<br /> Exhibit I —Appendix A I-A-49 March 2024
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