Dominant microstructurea

c/f 10μmb

TSO1 (0 - 5 cm)

TSO2 (0 - 5 cm)

YS (0 - 5 cm)

EL (0 - 5 cm)

Gr and Ima

Gr and Ima

Cr and Ima

Cr and Ima

En

En

En and Ge

Ge

Aggregation

Pedsc

Cr

Gr

Cr

Gr

Cr

Gr

Cr

Gr

Grade of pedalityd

We

St

We

St

Mo

Mo-St

Mo

Mo-St

Abundance (%)

15

85

10

90

35

65

45

55

Diameter (mm)

0.2 - 0.5

<0.2

0.3 - 2.0

<0.5

0.5 - 3.0

<0.2

0.5 - 3.0

<0.2

Voids

Typee

Cdp

Cxp

Cxp

Cxp

Abundance (%)f

39.13 (±6.82)

34.83 (±6.82)

27.86 (±6.54)

28.89 (±5.63)

Basic organic components

Coase fraction (>10 μm)

Typeg

Ptr

Ptr

Ptr

Ptr

Abundance (%)

45

20

30

32

Fine material (<10 μm)

Typeh

Lop

Lop

Lop

Lop

Abundance (%)

2

2

5

8

Excrement pedofeature

Typei

AE

did not clearly observed

AE and IE

IE

Abundancej

24

30

34