FFC List

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List of [/Floor%20Fractured%20Craters Floor Fractured Craters]


A new study of FFC was published in 2012 by Lauren M. Jozwiak at Brown University and colleagues. It is based on images and topo from LRO. Here is the article: Lunar floor-fractured craters: Classification, distribution, origin and implications for magmatism and shallow crustal structure. The full catalog of all 156 of their FFC is here.

Note:

The original list in this page is very incomplete.

Since august 2014 an additional (experimental) list and a supplement list (a North to South arrangement, according to the 144 LAC sections in the Clementine Atlas) are compiled by Danny Caes (see lower sections of this page).

A new (to be compiled) fourth list at the bottom of the page shows non-crater related regions on the moon which show the typical crackled appearance of an FFC.


CRATER
 FFC CLASS

[/Airy Airy]

 IV

[/Alphonsus Alphonsus]

 V

[/Atlas Atlas]

 I

[/Bohnenberger Bohnenberger]

 IV

[/Briggs Briggs]

 II

[/Cardanus Cardanus]

 I

[/Compton Compton]

[/Davy Davy]

 II

[/Doppelmayer Doppelmayer]

 III

[/Encke Encke]

 II

[/Einstein Einstein] A

 I

[/Gassendi Gassendi]

 III

[/Gaudibert Gaudibert]

 IV

[/Goclenius Goclenius]

[/Haldane Haldane]

 III

[/Humboldt Humboldt]

 I

[/Komarov Komarov]

 --

[/Krieger Krieger]

 --

[/Lavoisier Lavoisier]

 III

[/Lavoisier Lavoisier] E

 I

[/Oppenheimer Oppenheimer]

[/Petavius Petavius]

 I

[/Pitatus Pitatus]

 VI

[/Repsold Repsold]

 V

[/Runge Runge]

 III

[/Schl%C3%BCter Schlüter]

 I

[/Taruntius Taruntius]

 --

[/Tsiolkovskiy Tsiolkovskiy]

 VI

[/Vitello Vitello]

 II

[/Von%20Braun Von Braun]

 V

[/Warner Warner]

 III


Here's an additional (experimental) list of FFC, by Danny Caes, from explorations in the WAC mosaic of the LROC's online ACT-REACT Quick Map, the LPI's Lunar Orbiter photographs, and the Clementine Atlas of the Moon (Bussey/ Spudis)

Because there's a lot to explore on the moon, this list will expand rather slowly...
  Note: In this list I do not immediately speak of FFCs, just "craters" (say: possible FFCs).
  Non-bold names appearing between brackets (Italics) are those mentioned in the incomplete original list (see above).
  I don't know if it's possible to detect every one of the 206 FFCs once discovered by Peter H. Schultz, but... I try...
 
 A
  • (Airy)(LAC 95)
  • (Alphonsus)(LAC 77)
  • Anderson E and Anderson F, east-northeast of Anderson itself (LAC 50)
  • Anders X, on the southeastern part of Apollo's rim (LAC 121)
  • In Apollo; the unnamed crater between Borman and Borman V (LAC 121)
  • (Atlas)(LAC 27)

B

  • Balboa (?) (LAC 37)
  • In Baldet; the crater on the northern part of Baldet's floor (LAC 133), and perhaps also the crater south-southwest of Baldet
  • Beals (LAC 29)
  • (Bohnenberger)(LAC 97)
  • Bohnenberger A (LAC 97)
  • in Bolyai (LAC 117) (the floor of Bolyai contains small crackled regions)
  • Boscovich (LAC 60) (the remarkable crack-like appearance of Rimae Boscovich on the floor of Boscovich)
  • Boss L, south of Mare Humboldtianum (LAC 15)
  • (Briggs)(LAC 38)
  • Bunsen (LAC 22)
  • Buys-Ballot Q (LAC 50) (small crackled region on the southern part of Buys-Ballot Q's floor)
  • Byrgius D, west of Byrgius itself (LAC 92)

C

  • (Cardanus)(LAC 55)
  • Cassegrain H (LAC 130) (the western part of its floor)
  • Chappell (LAC 18)
  • Cleomedes (?) (LAC 44)
  • (Compton)(LAC 16)
  • Cruger E (LAC 92)

D

  • Dalton (LAC 37)
  • Damoiseau (LAC 74)
  • Daniell (LAC 26)
  • (Davy)(LAC 77)
  • De Sitter (northern part: LAC 1, southern part: LAC 4)
  • Dobrovol'skiy M, and small crackled region southeast of it (LAC 83, LAC 84)
  • (Doppelmayer)(LAC 93)
  • Dryden S and Dryden T, west of Dryden itself (LAC 120)

E

  • (Einstein A)(LAC 37) (note that there are several small FFCs on the floor of Einstein A's main surrounding crater Einstein)
  • (Encke)(LAC 57)
  • Euler J (?) east of Mons Vinogradov (LAC 39) (august 2014: there's only the low-resolution WAC close up of Euler J, which shows something of a fractured appearance on this small crater's floor) (Lunar Orbiter 4's frame LOIV-133-h3 also shows something of this possible fractured floor)

F

  • Fabricius (LAC 114)
  • Fenyi (LAC 123)
  • Fontenelle (LAC 12)
  • Fracastorius (?) (LAC 97)

G

  • Galvani (LAC 21)
  • Garavito (LAC 119)
  • (Gassendi)(LAC 93)
  • (Gaudibert)(LAC 79)
  • Gaudibert A and B, unnamed crater west of Gaudibert C, Gaudibert H (?) (LAC 79)
  • Gauss (LAC 28)
  • Gerard and Gerard Q inner/ outer (??) (LAC 22) (which one of the components of the Gerard system shows true FFC caracteristics?)(or is there nothing of it?)
  • (Goclenius)(LAC 79)

H

  • (Haldane)(LAC 81)
  • Hansteen (LAC 74)
  • Haret (LAC 132)
  • Hayn A (LAC 15)
  • Helberg and Helberg C (LAC 54)
  • Hesiodus (partially) (LAC 94)
  • Hevelius (?) (LAC 56) (there are several "cracks" on the floor of Hevelius, but does that mean it's an FFC?)
  • Hogg (LAC 30)
  • (Humboldt)(LAC 99)
  • Hutton (LAC 32)

I
J

  • In J.Herschel; the small crackled region east of J.Herschel C (LAC 11)
  • Jules Verne P and the unnamed crater west-northwest of it, which contains two concentric craters (LAC 118)

K

  • Karpinskiy (LAC 7)
  • Kiess (?) (of the pair Kiess-Widmannstatten in Mare Smythii) (LAC 81)
  • (Komarov)(LAC 49) (one of the most wonderful examples of Floor Fractured Craters!)
  • Kopff and Kopff C west of Lacus Veris, in Mare Orientale (LAC 91)
  • Kostinskiy (LAC 65)
  • (Krieger)(LAC 39)

L

  • La Condamine (LAC 11)
  • Lacus Mortis, the western part of it (LAC 26)
  • (Lavoisier)(LAC 22)
  • (Lavoisier E)(LAC 22)
  • Lavoisier A (LAC 22), Lavoisier B (LAC 22), Lavoisier F (LAC 22), Lavoisier H (LAC 22), Lavoisier W (?) (LAC 22)
  • Lebesgue in Mare Smythii (LAC 81)
  • Legendre K (LAC 99)
  • Lick in Mare Crisium (LAC 62)

M

  • MacMillan (?) (LAC 41)
  • Mandel'shtam Q (LAC 67)
  • In Mare Humboldtianum; the crater on the southern part of Mare Humboldtianum's floor, at approximately 80°30' East/ 54°30' North (LAC 15)
  • Several FFCs in Mare Moscoviense (LAC 48)
  • Meggers (LAC 47)
  • Mersenius (LAC 93)
  • Messala (?) (LAC 28)
  • Montgolfier P, and the unnamed crater on the southern part of Montgolfier's floor (north of Woltjer) (LAC 33)

N

  • Nernst (LAC 36)

O

  • (Oppenheimer)(LAC 120)

P

  • Palitzsch (LAC 98)
  • (Petavius)(LAC 98)
  • (Pitatus)(LAC 94)
  • Planck B and Planck Z, both on the floor of Planck itself (LAC 131)
  • In Poincare; the unnamed crater southwest of Poincare X. Note: Poincare X is called Poincare Y on page 265 in the Clementine Atlas (LAC 132). Perhaps Poincare Z is an FFC too.
  • Posidonius (northern part: LAC 26, southeastern part: LAC 43, southwestern part: LAC 42)
  • Purkyne V (LAC 82)

Q
R

  • (Repsold)(LAC 10)
  • Ritter (and Sabine too?) (LAC 60)
  • Roche V and small fractured spot southwest of it (LAC 117)
  • Rosseland (LAC 118)
  • (Runge)(LAC 81)

S

  • Sarton Y and Sarton Z, north of Sarton itself (LAC 20)
  • (Schluter)(LAC 73)
  • Schrodinger (LAC 140)
  • Schubert C in Mare Smythii (LAC 63)
  • Sniadecki Y and the little unnamed crater on the southwestern part of its floor (LAC 105)
  • Swasey in Mare Smythii (LAC 81)

T

  • Tamm, with adjacent Van den Bos south-southwest of it (LAC 84) (especially Van den Bos: a beautiful example!)
  • Tannerus (?) (LAC 127) (shows a certain FFC tendency)
  • (Taruntius)(LAC 61)
  • Thebit (LAC 95)
  • Timaeus (LAC 12)
  • (Tsiolkowskiy)(LAC 101)
  • Two unnamed craters west of Cori (LAC 133)

U

  • Unnamed crater northwest of Bartels, and another one north-northwest of Bartels A (LAC 54)
  • Unnamed pear-shaped crater west of Bunsen A (LAC 36)
  • Unnamed crater west-southwest of Cannon B (LAC 45), at the "smiling cat's left eye" of the group of lakes unofficially known as Lacus Risus Felis.
  • Unnamed irregularly shaped crater east of Chamberlin D and south of Kugler N (LAC 130)
  • Unnamed little crater between Colombo and Cook (LAC 97)
  • Unnamed irregular crater west-northwest of Crommelin W (LAC 142)
  • Unnamed crater east-northeast of Dubyago T (LAC 63) (contains only one "crack")
  • Unnamed crater south of Dugan (LAC 16)
  • Unnamed crater west of Dugan J (LAC 16)
  • Unnamed crater between Eijkman D and Dawson D (northern part: LAC 134, southern part: LAC 142)
  • Unnamed pear-shaped crater northwest of Eimmart B, and another unnamed crater west-southwest of Eimmart K (LAC 44)
  • Unnamed crater southwest of Firmicus F (north-northeast of Apollonius) (LAC 62)
  • Unnamed crater west of Gruithuisen Gamma (LAC 23)
  • Unnamed crater north of Hess Z (LAC 132)
  • Unnamed crater east of Hubble C (LAC 45) (contains only one "crack")
  • Unnamed crater west-southwest of Maclaurin D (LAC 80) (contains only one "crack")
  • Unnamed crater just north of Minkowski (LAC 133)
  • Unnamed crater on the eastern part of Minkowski's floor (LAC 133)
  • Unnamed crater immediately northeast of Petit (LAC 62)
  • Unnamed crater between Poincare J and Abbe M (LAC 132)
  • Unnamed crater east-southeast of Reimarus C (south of Reimarus B) (LAC 128)
  • Unnamed crater east-northeast of Shapley, on the southern rim of Mare Crisium (LAC 62) (very small crackled region!)
  • Unnamed crater south-southwest of Watson (near the upper right corner of LAC 142)
  • Unnamed small crater at approximately 91°50' West/ 42°20' North (LAC 36) (note: this small crater seems to contain only one "crack")

V

  • Van den Bos, with adjacent Tamm north-northeast of it (LAC 84) (Van den Bos is one of the most beautiful examples of Floor Fractured Craters!)
  • (Vitello)(LAC 93)
  • Virchow (the southern part of its floor) (LAC 63)
  • Volta, Volta D, and the unnamed crater just north-northwest of Volta D, on the floor of Volta itself (LAC 21)
  • (Von Braun)(LAC 22)
  • Voskresenskiy (?) (LAC 37)

W

  • (Warner)(LAC 81)
  • Wegener K (?) (LAC 35) (see the "crack" on the western part of its floor)
  • Weiss E (LAC 94)
  • Widmannstatten (?) (of the pair Kiess-Widmannstatten in Mare Smythii) (LAC 81)
  • Wurzelbauer (LAC 111)

X

  • Xenophanes E (LAC 21)

Y
Z

  • Zwicky N, on the floor of Zwicky (northern part: LAC 85, southern part: LAC 103), aka Ibn Hayyan


Here's a supplement list (a North to South arrangement, according to the 144 LAC sections in the Clementine Atlas of the Moon), compiled by Danny Caes

Note: the underlined names are those of the original (upper) list.
  • LAC 1: De Sitter (northern part)
  • LAC 4: De Sitter (southern part)
  • LAC 7: Karpinskiy
  • LAC 10: Repsold
  • LAC 11: La Condamine, the small crackled region on the eastern part of J.Herschel's floor, east of J.Herschel C
  • LAC 12: Fontenelle, Timaeus
  • LAC 15: Hayn A, Boss L, unnamed FFC at 54°30' North/ 80°30' East
  • LAC 16: Compton, unnamed FFC south of Dugan, unnamed FFC west of Dugan J
  • LAC 18: Chappell
  • LAC 20: Sarton Y, Sarton Z
  • LAC 21: Galvani, Volta, Volta D, and the unnamed FFC just north-northwest of Volta D, on the floor of Volta itself (note: that unnamed FFC is labeled Volta D on page 43 of the Clementine Atlas, revised edition), Xenophanes E
  • LAC 22: Bunsen, Gerard (?), Gerard Q (?), Lavoisier, Lavoisier A, Lavoisier B, Lavoisier E, Lavoisier F, Lavoisier H, Lavoisier W (?), Von Braun
  • LAC 23: unnamed FFC west of Gruithuisen Gamma
  • LAC 26: Daniell, Posidonius (northern part), Lacus Mortis (the western part of it).
  • LAC 27: Atlas
  • LAC 28: Gauss, Messala (?)
  • LAC 29: Beals
  • LAC 30: Hogg
  • LAC 32: Hutton
  • LAC 33: Montgolfier P, and the unnamed FFC just north of Woltjer
  • LAC 35: Wegener K (?) (see the "crack" on the western part of its floor).
  • LAC 36: Nernst, unnamed small FFC at approximately 91°50' West/ 42°20' North, unnamed pear-shaped crater west of Bunsen A
  • LAC 37: Balboa (?), Einstein (several small FFCs on its floor), Einstein A, Dalton, Voskresenskiy (?)
  • LAC 38: Briggs
  • LAC 39: Krieger, Euler J (?)
  • LAC 41: MacMillan (?)
  • LAC 42: Posidonius (southwestern part)
  • LAC 43: Posidonius (southeastern part)
  • LAC 44: Cleomedes (?), unnamed pear-shaped FFC northwest of Eimmart B, and another FFC west-southwest of Eimmart K
  • LAC 45: unnamed FFC west-southwest of Cannon B, unnamed FFC east of Hubble C
  • LAC 47: Meggers
  • LAC 48: several FFCs in Mare Moscoviense
  • LAC 49: Komarov
  • LAC 50: Anderson E, Anderson F, Buys-Ballot Q
  • LAC 54: Unnamed FFC northwest of Bartels, and another one north-northwest of Bartels A. The couple Helberg and Helberg C
  • LAC 55: Cardanus
  • LAC 56: Hevelius (?)
  • LAC 57: Encke
  • LAC 60: Boscovich, Ritter, Sabine
  • LAC 61: Taruntius
  • LAC 62: Lick, unnamed FFC southwest of Firmicus F (north-northeast of Apollonius), unnamed FFC east-northeast of Shapley (very small crackled region!), unnamed possible FFC immediately northeast of Petit
  • LAC 63: Virchow (southern part of its floor), Schubert C, unnamed FFC east-northeast of Dubyago T
  • LAC 65: Kostinskiy
  • LAC 67: Mandel'shtam Q
  • LAC 72: immediately south of the unnamed dark halo crater southwest of Vallis Bohr and southeast of Sundman (see the lower margin of Lunar Orbiter IV photograph IV-4188-h2)
  • LAC 73: Schluter
  • LAC 74: Damoiseau, Hansteen
  • LAC 77: Alphonsus, Davy
  • LAC 79: Gaudibert, Gaudibert A and B, unnamed FFC west of Gaudibert C, Gaudibert H (?), Goclenius
  • LAC 80: unnamed FFC west-southwest of Maclaurin D (contains only one "crack")
  • LAC 81: Haldane, Lebesgue, Runge, Swasey, Warner, the pair Kiess-Widmannstatten (?)
  • LAC 82: Purkyne V
  • LAC 83: Dobrovol'skiy M
  • LAC 84: small crackled region southeast of Dobrovol'skiy M, the couple Tamm and Van den Bos
  • LAC 85: Zwicky N (northern part), aka Ibn Hayyan
  • LAC 91: Kopff, Kopff C
  • LAC 92: Byrgius D, Cruger E
  • LAC 93: Doppelmayer, Gassendi, Mersenius, Vitello
  • LAC 94: Hesiodus, Pitatus, Weiss E
  • LAC 95: Airy, Thebit
  • LAC 97: Bohnenberger, Bohnenberger A, Fracastorius (?), unnamed little FFC between Colombo and Cook
  • LAC 98: Palitzsch, Petavius
  • LAC 99: Humboldt
  • LAC 101: Tsiolkovskiy
  • LAC 103: Zwicky N (southern part), aka Ibn Hayyan
  • LAC 105: Sniadecki Y
  • LAC 111: Wurzelbauer
  • LAC 114: Fabricius
  • LAC 117: Roche V and small fractured spot southwest of it, small crackled regions on the floor of Bolyai
  • LAC 118: Jules Verne P and an unnamed FFC west-northwest of it, Rosseland
  • LAC 119: Garavito
  • LAC 120: Dryden S, Dryden T, Oppenheimer
  • LAC 121: Anders X, and an unnamed FFC between Borman and Borman V
  • LAC 123: Fenyi
  • LAC 127: Tannerus (?)
  • LAC 128: unnamed FFC east-southeast of Reimarus C (south of Reimarus B)
  • LAC 130: Cassegrain H (the western part of its floor), unnamed irregularly shaped FFC east of Chamberlin D and south of Kugler N
  • LAC 131: Planck B, Planck Z
  • LAC 132: several FFCs in Poincare, unnamed FFC north of Hess Z, Haret (aka Spiru Haret), and another unnamed FFC between Abbe M and Poincare J
  • LAC 133: unnamed FFC on the northern part of Baldet's floor (and perhaps also the crater south-southwest of Baldet), unnamed FFC just north of Minkowski, unnamed FFC on the eastern part of Minkowski's floor, two unnamed FFCs west of Cori
  • LAC 134: unnamed FFC between Eijkman D and Dawson D (northern part)
  • LAC 140: Schrodinger
  • LAC 142: unnamed FFC between Eijkman D and Dawson D (southern part), unnamed FFC south-southwest of Watson, unnamed irregular FFC west-northwest of Crommelin W


Fractured or "crackled" regions

A fractured or "crackled" region is a non-crater related surface which shows (more-or-less) the same kind of appearance of a typical FFC's floor (the criss-cross arrangement of fractures, looking like sections of some sort of "cobweb").
  Research Danny Caes
  • LAC 26: Southwest of Luther H, at the northeastern part of the rim of Mare Serenitatis
  • LAC 42: Rimae Menelaus (see LPOD Helen's Husband)
  • LAC 59: Rimae Triesnecker
  • LAC 60: Arcuate fractures south of Arago (east of Manners)(note: these arcuate fractures are mentioned in the book Volcanoes and Impact Craters on the Moon and Mars, by Piero Leonardi, 1970)
  • LAC 62: between Proclus P and Yerkes (southwest of Yerkes E)
  • LAC 76: West of Gambart N and Turner A
  • LAC 76: in the northern part of Montes Riphaeus
  • LAC 76: East of the hill Fra Mauro Eta
  • LAC 78: Southeast of Hypatia, in Sinus Asperitatis, small "branch" at approximately 24°30' East/ 6°10' South
  • LAC 92: between Cavendish and de Gasparis C
  • LAC 93: East of Liebig F
  • LAC 108: On the southern part of Mare Orientale, at (approximately) 95°30' West/ 25°30' South (slightly west of Rimae Pettit)
  • LAC 108: East of Golitsyn, North of Golitsyn J


Perhaps not immediately related to Floor Fractured Craters, but... interesting to read:


This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm
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