tiểu luận các phương pháp phân tích bồn trầm tích

TRƯỜNG ĐẠI HỌC KHOA HỌC TỰ NHIÊN
ĐẠI HỌC QUỐC GIA HÀ NỘI
TIỂU LUẬN
CÁC PHƯƠNG PHÁP PHÂN TÍCH BỒN TRẦM TÍCH
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
1. Các phương pháp nghiên cứu bồn trầm tích
1.1 Phương pháp thạch học – trầm tích
 !"##$%&'"#(
)*"+,&%#-.-)/-0123
454)6789#&':"8;)<0
:=89#!&'8>-?:@A-BCDE
:=89##-:"6
D)F#- GHI"8J &KB(" 
LA"&D"MB("6
NO#"P$2#H8;#I"8J&
"8
:7$&-QI"8J"E!2(R
#)/8GS-TI"8J#!%I"8JIE
:N"4I"8JA0H-A-(E
:U#4I"8JS&-)8J#!
:V#-IT-6-W
X%-T!>Y#PZ";F2#HI"8J"
6D)F&!>%"8I"8J"""#$!
>2S/[&)$EU#<)I$X>-0\-[2(R
X#>#E"]"T$&!>8;)$&"
#!!>IO8>S.U")(^"1-6-W
1.2 Phương pháp Cổ sinh - Địa tầng – Cổ sinh thái
_89#S4#)-.$&14"#>,#6
N"S9))\#QY$&!#9-H)H-5
)#6?#H)>YA>4Q->!>I>\

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H\()\!FY#&$&%"8A;#$&
Y<,a"b("-6-WV!A89#YA
2#H589FY,#\(>-#$&c6
=89#)HIG89#!9H5
d89#YASHSX#8>#
"-X#->6eQ2#HI"8J"(#Q
5)\"S)#Y#)-]f,A""$&
Z8$#)-"g$#-8>'-#!AA
AOI"8JA)I"8J#6S4#;$&
; ->hgS4-,,"+"+Y"
/2#8>i"P8I0&TQ5Hj+-Q
gh#"f$"(I-(J6
1.3 Phương pháp Địa vật lý giếng khoan
=89#A8;)<0!##)/()\!HY#
8JB=-Q"2#T)!">H-#k8>
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#'KM6U#8JKQ"\SF$Q4"m
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1.4 Phương pháp địa chấn địa tầng (ĐCĐT)

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 Các bồn trầm tích phát triển trong quá trình xô húc lục địa và tạo đới khâu
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 Các bồn nội mảng
FY#"P0o"S-[0H$g#h#"f
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• Đặc điểm thạch học định lượng trong mối quan hệ với bối cảnh kiến tạo
 Phương pháp xác định nguồn gốc khoáng vật của cát kết. (Dickinson, 1979)
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 Phương pháp xác định kiểu bồn trũng trong mối quan hệ với miền trũng xâm
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- Diorit
- Đá phun trào và vụn núi lửa
- Đá biến chất
- Đá lục nguyên
- Đá cacbonat
Công thức:
Qm > F > L
P > K
Pa > Pt
Lv > Lm > Ls
Lv < Lm + Ls
- Granitoit
- Diorit
- Đá phun trào và vụn núi lửa
- Đá biến chất
- Đá lục nguyên
- Đá cacbonat
Q m
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F L
1 : 1 P a P t1 : 1
L m
1 : 1 L s
5 0 5 0 5 0 5 0
K L
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• VH,H
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