Late Jurassic ammonites from Alaska: studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Buch |
| Sprache: | Nichtbestimmte Sprache |
| Veröffentlicht: |
Washington, DC
U.S. G.P.O.
1981
|
| Schriftenreihe: | United States Geological Survey: Geological Survey professional paper
1190 |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008041591&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | IV, 40 S., [13] Bl. zahlr. Ill., graph. Darst., Kt. |
Internformat
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| 100 | 1 | |a Imlay, Ralph Willard |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Late Jurassic ammonites from Alaska |b studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world |c by Ralph W. Imlay |
| 264 | 1 | |a Washington, DC |b U.S. G.P.O. |c 1981 | |
| 300 | |a IV, 40 S., [13] Bl. |b zahlr. Ill., graph. Darst., Kt. | ||
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| 490 | 1 | |a United States Geological Survey: Geological Survey professional paper |v 1190 | |
| 830 | 0 | |a United States Geological Survey: Geological Survey professional paper |v 1190 |w (DE-604)BV000005472 |9 1190 | |
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Datensatz im Suchindex
| _version_ | 1819279134590763008 |
|---|---|
| adam_text | Late Jurassic Ammonites
From Alaska
By RALPH W IMLAY
^ • 4 J5 ^
GEOLOGICALSURVEYPROFESSIONALPAPER1190
Studies of the Late Jurassic ammonites
of Alaska enables fairly close
age determinations and correlations
to be made with Upper Jurassic
ammonite and stratigraphic sequences
elsewhere in the world
UNITEDSTATESGOVERNMENTPRINTINGOFFICE,WASHINGTON:1981
CONTENTS
Page
Abstract 1
Introduction 2
Biologic analysis 14
Biostratigraphic summary 14
Northeastern Alaska 14
Wrangell Mountains 15
Talkeetna Mountains 17
Tuxedni Bay-Iniskin Bay area 17
Alaska Peninsula 18
Page
Ages and correlations 19
Early to early middle Oxfordian 19
Late middle Oxfordian to early late Kimmeridgian 20
Latest Kimmeridgian and early Tithonian 21
Late Tithonian 21
Ammonite faunal setting 22
Geographic distribution 23
Systematic descriptions 28
References cited 36
Index 39
ILLUSTRATIONS
[Plates follow index]
PLATES 1-3 Phylloceras
4 Partschiceras and Phylloceras
5 Holocophylloceras
6 {Lytoceras and Pwrtschiceras
7 Anlacosphinctoid es, Carclioceras, and Peri sphinctes (Dichotomosphinct es)
8 Cardioceras and Subplanitesl
9-11 Cardioceras
12 Amoeboceras and Amoeboceras!
Psisre
FIGURE 1 Generalized index map of Upper Jurassic ammonite localities in Alaska 2
2-10 Detailed index maps of Upper Jurassic ammonite localities:
2 Central part of the Mt Michelson Quadrangle between the Canning and Sadlerochit Rivers,
/ northern Alaska 3
3 McCarthy (C-5) Quadrangle, Wrangell Mountains, southern Alaska 4
4 Nelchina area of the Talkeetna Mountains, southern Alaska 5
5 Peninsula between Tuxrdni Bay and Chinitna Bay, west of Cook Inlet, southern Alaska — 6
6 Iniskin Peninsula west of Cook Inlet, southern Alaska 7
7 Alaska Peninsula south of Kamishak Bay and west of Cook Inlet, northwest of Augustine
Island, southern Alaska 8
8 Mt Katmai area, Alaska Peninsula 9
9 Puale Bay-Mt Peulik-Wide Bay area, Alaska Peninsula :• 10
10 North of Chignik Lagoon, Chignik (B-2) Quadrangle, and north of; Amber Bay, Sutwik
(D-4) Quadrangle, Alaska Peninsula ; 11
11 Chart showing European ranges of Late Jurassic ammonite genera and subgenera present in Alaska 12
12 Correlation chart of Late Jurassic ammonite faunas in Alaska 13
ill
CONTENTS
Pase
Abstract 1
Introduction 2
Biologic analysis 14
Biostratigraphic summary 14
Northeastern Alaska 14
Wrangell Mountains 15
Talkeetna Mountains 17
Tuxedni Bay-Iniskin Bay area 17
Alaska Peninsula 18
Page
Ages and correlations 19
Early to early middle Oxfordian 19
Late middle Oxfordian to early late Kimmeridgian 20
Latest Kimmeridgian and early Tithonian 21
Late Tithonian 21
Ammonite faunal setting 22
Geographic distribution 23
Systematic descriptions 28
References cited 36
Index 39
ILLUSTRATIONS
[Plates follow index]
PLATES 1-3 Phylloceras
4 Partschiceras and Phylloceras
5 Holocophylloceras
6 Lytoceras and Partschiceras
7 Aulacosphinctoides, Cardioceras, and P erisphinctes (Dichotomosphinctes)
8 Cardioceras and Subplanites!
9-11 Cardioceras
12 Amoeboceras and Amoeboceras!
Page
FIGURE 1 Generalized index map of Upper Jurassic ammonite localities in Alaska 2
2-10 Detailed index maps of Upper Jurassic ammonite localities:
f, 2 Central part of the Mt Michelson Quadrangle between the Canning and Sadlerochit Rivers,
northern Alaska 3
3 McCarthy (C-5) Quadrangle, Wrangell Mountains, southern Alaska 4
4 Nelchina area of the Talkeetna Mountains, southern Alaska 5
5 Peninsula between Tuxedni Bay and Chinitna Bay, west of Cook Inlet, southern Alaska — 6
6 Iniskin Peninsula west of Cook Inlet, southern Alaska 1
7 Alaska Peninsula south of Kamishak Bay and west of Cook Inlet, northwest of Augustine
Island, southern Alaska 8
8 Mt Katmai area, Alaska Peninsula 9
9 Puale Bay-Mt Peulik-Wide Bay area, Alaska Peninsula 10
10 North of Chignik Lagoon, Chif^nik (B-2) Quadrangle, and north of; Amber Bay, Sutwik
(D-4) Quadrangle, Alaska Peninsula 11
11 Chart showing European ranges of Late Jurassic ammonite genera and subgenera present in Alaska 12
12 Correlation chart of Late Jurassic ammonite faunas in Alaska : 13
III
IV CONTENTS
TABLES
Page
TABLE 1 Ammonite genera and subgenera of Late Jurassic age in Alaska 14
2-3 Stratigraphic positions of ammonite occurrences above base of members of the Naknek Formation—
2 South shore of Chinitna Bay, west of Cook Inlet 14
3 Oil Bay and Iniskin Lay, west of Cook Inlet 15
4-6 Geographic distribution of ammonites of Late Jurassic age—
4 Northeastern Alaska and Wrangell Mountains 15
5 Talkeetna Mountains and west of Cook Inlet 16
6 Alaska Peninsula 16
7 Description of Upper Jurass c ammonite localities in Alaska 23
CONVERSION FACTORS
Metric unit Inch-] und equiv lent
Length
millimeter (mm) = o o:v937 inch (in)
meter (m) =: 3 28 feet (ft)
kilometer (km) := 02 mile (mi)
Area
seiuare meter (m-) = 10 70 square fe^ t (ft-)
square kilometer (km2) = 380 square m e (mi - )
hectare (ha) = 2 47 acres
e (mi - )
Volume
cubic centimeter (cm3) = 0 003 cubic incl i in)
liter (L) zr 01 03 cubic inc es
cubic meter (ma) = 35 31 cubic feci (ft*)
cubic meter = ooosi acre-fnot acre-ft)
cubic hectometer (hm s) = S10 7 acre-fret
acre-ft)
liter = 2 113 pints (pt
liter = 1 00 quarts ( ! )
liter = 20 gallon (u 1)
cubic meter = 00O20 million gj Ions (Miral or
) 10° ga
Ions (Miral or
)
cubic meter = 0 290 barrels (1 1) (1 111= 42 gal)
Weight
gram (g) - 0 035 ounce, av irdupois (oz avd| )
gram = 0022 pound n »irdupois (lit avdp)
metric tons (t) = 1 102 tons, sho : i 2 0CK) lb)
metric tons = 0 9842 ton, long ;2 240 lb)
Specific combinations
kilogram per square = 0 90 atmospln ! (atm)
centimeter (kg/cm2)
atmospln ! (atm)
kilogram per square = OK bar (0 9? • !9 atm)
cen timeter
^cubic meter per second = :-!5 3 cubic fee* per second (ft : !/s)
unVs)
per second (ft : !/s)
Metric tinit Inch-Pound equivalent
Specific combinations—Continued
liter per second (J,/s)
cubic meter per sirond
per square kilometer
r (ni3/ s)/km- !
meter per (lay (in M)
meter per kilometer
(m/km)
kilometer per hour
(km/li)
meter per second (ni/s)
meter squared pet day
{m-/d)
cubic meter per second
(mVs)
cubic meter per minute
(mVmin)
liter per second L/s)
liter per second p T
meter [ (L/s)/ u]
kilometer per hour
(km/li)
meter per second im/s)
grain per cubic
centimeter (g/- in3)
gram per square
centimeter (g/ ni3)
gram per square
centimeter
= 91 47
0353 cubic foot per second
cubic feet per second per
square mile [ (ftVs)/mi2]
feet per day (hydraulic
conductivity) (ft/d)
feet per mile (ft/mi)
= 3 28
= 5 28
= 9113 foot per second (ft/s)
= 3 28 feet per second
= 10 704 feet squared per day (ft2/d)
(transmissivity)
— 22 S20 million gallons per day
(Mgal/d)
= 264 2 gallons per minute (gal/min)
= 15 8) gallons per minute
= 4 S3 gallons per minute per foot
[ (gal/min) /ft]
= 02 mile per hour (mi/h)
— 2 237 miles per hour
= 02 43 pounds per cubic foot (lb/ft3)
= 2 04S pounds per square foot (lb/ft2)
= 0142 pound per square inch (lb/in2)
Temperature
degree Celsius (c ( )
degrees Celsius
(tempera ture)
= 1-8 degrees Fahrenheit (°F)
=[USX °C) +32] degrees Fahrenheit
|
| any_adam_object | 1 |
| author | Imlay, Ralph Willard |
| author_facet | Imlay, Ralph Willard |
| author_role | aut |
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| dewey-hundreds | 500 - Natural sciences and mathematics |
| dewey-ones | 564 - Fossil Mollucas & Molluscoidea |
| dewey-raw | 564/.53 |
| dewey-search | 564/.53 |
| dewey-sort | 3564 253 |
| dewey-tens | 560 - Paleontology |
| discipline | Geologie / Paläontologie |
| format | Book |
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| physical | IV, 40 S., [13] Bl. zahlr. Ill., graph. Darst., Kt. |
| publishDate | 1981 |
| publishDateSearch | 1981 |
| publishDateSort | 1981 |
| publisher | U.S. G.P.O. |
| record_format | marc |
| series | United States Geological Survey: Geological Survey professional paper |
| series2 | United States Geological Survey: Geological Survey professional paper |
| spellingShingle | Imlay, Ralph Willard Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world United States Geological Survey: Geological Survey professional paper |
| title | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world |
| title_auth | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world |
| title_exact_search | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world |
| title_full | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world by Ralph W. Imlay |
| title_fullStr | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world by Ralph W. Imlay |
| title_full_unstemmed | Late Jurassic ammonites from Alaska studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world by Ralph W. Imlay |
| title_short | Late Jurassic ammonites from Alaska |
| title_sort | late jurassic ammonites from alaska studies of the late jurassic ammonites of alaska enables fairly close age determinations and correlations to be made with upper jurassic ammonite and stratigraphic sequences elsewhere in the world |
| title_sub | studies of the Late Jurassic ammonites of Alaska enables fairly close age determinations and correlations to be made with Upper Jurassic ammonite and stratigraphic sequences elsewhere in the world |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=008041591&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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