Table 5 (A) Calcium accumulation rates based on theoretical maximum fungal-rock contact areał. (B) Chemical weathering at 288 K in water* [mol m−2 s−1].

From: Oxalate secretion by ectomycorrhizal Paxillus involutus is mineral-specific and controls calcium weathering from minerals

(A)

(B)

Rock/mineral

Major calcium bearing minerals [>1 mol%]

Calcium accumulation [mol m−2 s−1]

 

pH4

pH7

R 1

±

Granite

Anorthite

3.2 × 10−11

3.2 × 10−12

Anorthite

2 × 10−11

6 × 10−12

Basalt

Anorthite, augite, hornblende

5.6 × 10−10

2.7 × 10−10

Diopside

3 × 10−11

1 × 10−13

Limestone

Dolomite

6.6 × 10−10

5.6 × 10−11

Augite

2 × 10−12

>10−14

Gabbro

Anorthite, diopside, augite, hornblende

1.1 × 10−9

5.7 × 10−10

Hornblende

1 × 10−12

2 × 10−13

    

Dolomite

1 × 10−6

 
  1. łcontact area as calculated in methods.
  2. ± indicates standard deviation.
  3. *modified (Arrhenius correction to 288 K) from26,28,38.